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The prostate-specific antigen (PSA) test is a simple blood test to screen for prostate cancer. It has been used in men over 50 as a routine part of a physical exam, with levels above 4 ng/mL indicating
asked
Jul 13, 2021
Mathematics
college
1
answer
2
votes
117k
views
Enter a counterexample for the conclusion. If x is a prime number, then x + 1 is not a prime number. A counterexample is x = .
asked
Jul 11, 2021
Mathematics
high-school
2
answers
1
vote
36.3k
views
Construct an equation then solve it . Add 2 to a number then multiply the result be 5 . If this is the same as dividing twice the number by 10
asked
Mar 8, 2021
Mathematics
high-school
2
answers
2
votes
41.9k
views
HELP RN HELP WILL MARK BRANLIST PLEASE HELP
asked
Feb 19, 2021
Geography
high-school
1
answer
3
votes
169k
views
The reaction of the European public to the declarations of war included:
asked
Nov 21, 2020
History
middle-school
1
answer
2
votes
225k
views
Which of the following would you not expect to see in a program guide ?
asked
Nov 19, 2020
History
middle-school
1
answer
0
votes
37.0k
views
Which of the following is an advantage of multiple-choice achievement tests over holistic performance-based assessments? Group of answer choices A) more valid because they can measure more skills B) more
asked
Oct 14, 2020
Business
high-school
2
answers
5
votes
32.0k
views
What is the measure of angle ABC?
asked
Sep 18, 2020
Mathematics
middle-school
2
answers
4
votes
102k
views
Jake is playing hide-and-seek with his mother. Jake runs over to the couch and hides his head under a pillow. Because Jake cannot see anything, he doesn’t think his mother can see him. Jake is exhibiting
asked
Feb 14, 2020
Social Studies
high-school
1
answer
2
votes
224k
views
It snowed from 7:43 to 11:37 how long was it snowing
asked
Oct 6, 2019
Mathematics
middle-school
2
answers
4
votes
108k
views
Carbon-12 and carbon-14 are isotopes what is different in their atomic structure
asked
Jun 15, 2019
Biology
high-school
1
answer
2
votes
45.0k
views
40 points!!!The survivorship curves of the American robin, a type of migratory songbird, and the common green darner, a type of migratory dragonfly, are shown below. What statement is best supported by
asked
Jun 11, 2019
Biology
middle-school
2
answers
5
votes
4.2k
views
Which activity will best help prevent the common cold
asked
May 14, 2019
Health
middle-school
1
answer
0
votes
108k
views
What is the surface area of the figure shown? (Use 3.14 for π.) A. 178.98 in.2 B. 178.98 in.3 C. 235.5 in.2 D. 235.5 in.3
asked
Feb 25, 2019
Mathematics
middle-school
2
answers
0
votes
151k
views
It takes 4 hr 39 min for a 2.00-mg sample of radium-230 to decay to 0.25 mg. What is the half-life of radium-230? A) 1 hr 4 min B) 1 hr 17 min C) 1 hr 33 min D) 1 hr 49 min Eli
asked
Oct 26, 2018
Physics
high-school
2
answers
1
vote
152k
views
The distance between two cities on a map is 18 cm. What is the actual distance between the cities if the map is drawn at a scale of 1:500,000?
asked
May 14, 2018
Mathematics
high-school
1
answer
2
votes
218k
views
Whats 6.3 x 10^-5 in standard notation
asked
Apr 2, 2018
Mathematics
high-school
2
answers
1
vote
206k
views
The Mauryan Empire reached its height during the reign of Ashoka. Under Ashoka, the empire expanded as well as which religion? 1. Jainism 2. Buddhism 3. Hinduism 4. Islam
asked
Feb 13, 2018
History
middle-school
2
answers
4
votes
123k
views
Can someone tell me how to solve this
asked
May 8, 2017
Mathematics
high-school
1
answer
5
votes
232k
views
Which of the following is the smallest volume? (2 points) 2500 mL 250 cm3 2.5 x 10-2 L 25 m3
asked
Apr 15, 2017
Chemistry
high-school
2
answers
2
votes
184k
views
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