Answers by Hernan Velasquez
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Answers by Hernan Velasquez

Answers by Hernan Velasquez
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Based on fossil evidence, about how long ago did the first single-celled life form appear on Earth? O130 million years ago O1.5 billion years ago O2.5 billion years ago ​
answered Feb 23, 2021
6 votes
188k views
Two identical food packets were dropped from a helicopter. The first food packet was dropped from a height of 1,681 feet and the second food packet was dropped from a height of 961 feet. Find the two height
answered Jan 16, 2021
2 votes
75.1k views
Solve the system of equations -5x + 4y x = 2y - 15 x= y=​
answered Nov 7, 2020
2 votes
171k views
A manufacturing company measures the weight of boxes before shipping them to the customers. If the box weights have a population mean and standard deviation of 90 lb and 24 lb, respectively, then based
answered Oct 10, 2020
0 votes
187k views
Mr.Abad earned $30,000 last year. He must pay taxes of 10% on earnings up to $8,500, and he must pay taxes of 15% on the rest or his income. What is the total amount he must pay in taxes for his earnings
answered Sep 25, 2020
6 votes
191k views
ASAP please!!!! a) Find the value of 3a + 4b when a = 17 and b = 9. b) Use the formula v= u + at to find the velocity, when • the initial velocity is 3 m/s • the acceleration is 1.5 m/s? • the time is
answered Sep 7, 2020
5 votes
22.1k views
A triangle larger than 90 degrees is called a an triangle
answered Jun 23, 2020
3 votes
4.2k views
Which part of a cell carries the genetic material? Cell membrane Cell wall Chloroplast Nucleus
answered Feb 7, 2020
2 votes
224k views
Riley wants to buy a set of 3 pencils for 50 cents in her pocket she has 2 quarters 2 dimes and 10 nickels determine all the possible combinations to add up 50 cents
answered Feb 3, 2020
2 votes
88.9k views
The recipe makes enough stew for 6 people, and the ingredients cost $9.75. How much would it cost to serve 24 people? Use the rate table to solve the proportion.
answered Oct 27, 2019
2 votes
29.2k views
Successful discussions happen when both speakers agree on the definition of key ideas
answered Jul 15, 2019
6 votes
80.9k views
George claims that he is 3 years less than 3 times as old as his niece Pam will be one year from now. Let p= Pam’s age now. Write an expression to represent George’s age. Then simplify the expression.
answered Mar 19, 2019
6 votes
10.6k views
During an examination A doctor hears is fluttering in the first part of the heartbeat this likely indicates a problem with which part of the heart? A. The right and left atria B. The right and left ventricles
answered Sep 20, 2018
1 vote
173k views
A _____________ has completed the legal process for becoming a United States citizen. a. foreigner c. expatriate b. naturalized citizen d. none of the above
answered Jul 23, 2018
1 vote
149k views
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