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Which of the following must be true for an expression to be a difference of two squares? (((a. all variables are raised to an even power b. there are only two terms c. both terms have negative coefficients)))
answered
Sep 12, 2020
Mathematics
middle-school
5
votes
112k
views
Which of the following would be an example of a positive externality?
answered
Jul 11, 2020
Biology
middle-school
3
votes
185k
views
13. You accidentally send an email with private information to the wrong person. Which of the following statements is true? O A. You're not responsible for what you sent because it was an accident. O B.
answered
May 12, 2020
Social Studies
middle-school
3
votes
220k
views
A checklists should be based on past ____
answered
Mar 8, 2020
Business
middle-school
6
votes
86.7k
views
Help with this please? Points Suppose you graph a system of linear equations and the intersection point appears to be (3,7). Can you be sure that the ordered pair (3,7) is the solution? Wat must you do
answered
Dec 13, 2019
Mathematics
high-school
1
vote
193k
views
Describe the Great Barrier Reef. Why is this site considered one of the world's most important ecosystems?
answered
Jul 20, 2019
Geography
middle-school
5
votes
61.1k
views
What controls all the other glands? thyroid gland pancreas pituitary gland endorphins
answered
May 26, 2019
Biology
high-school
5
votes
19.8k
views
A postulate is not ___ A. Proven true by undefined terms and definitions B. Accepted as true without proof C. Used to justify conclusions D. Used to describe fundamental relationships between points, lines,
answered
Apr 21, 2019
Mathematics
middle-school
1
vote
131k
views
Solve for x. 5x = -123
answered
Nov 25, 2018
Mathematics
high-school
1
vote
136k
views
Roy has 6 pears and plans to divide them by 1/2 to share with his friends. How many friends can he share the pears with?
answered
Jul 21, 2018
Mathematics
college
4
votes
132k
views
Alonzo's suitcase can weigh no more than 20 kilograms if he wants to take it on the airplane without paying a fee. His suitcase weighs 220 hectograms. How much weight will Alonzo have to take out of his
answered
Jun 11, 2018
Mathematics
middle-school
2
votes
133k
views
In what ways did knowledge spread to european villages
answered
Mar 29, 2018
History
high-school
5
votes
4.5k
views
Name three fields in which an awakening took place during the Renaissance. 1. 2. 3.
answered
Feb 6, 2018
History
middle-school
3
votes
234k
views
use the tally chart to draw a bar graph below. The scale is given. Coins in Maria's Piggy Bank Number of Coins Penny Nickel Dime Quarter
answered
Nov 17, 2017
Mathematics
middle-school
5
votes
197k
views
Excluding contractions, in what ways is an apostrophe used?
answered
May 24, 2017
English
high-school
2
votes
110k
views
What do pitch and frequency have in common
answered
Sep 12, 2016
Health
high-school
6
votes
116k
views
So confused! I have the answer, but can't understand the explanation. Please help... A polynomial expression is show below. (mx^3+3)(2x^2+5x+2)-(8x^5+20x^4) The expression is simplified to 8x^3+6x^2+15x+6.
answered
Jan 11, 2016
Mathematics
high-school
6
votes
36.7k
views
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