Explain why researchers use percents

Solve the following system of equations by substitution and select the correct answer below: 2x - 4y = 24 4x - 12y = 36 x = 18, y = 3 x = 18, y = - 3 x = - 18, y = 3 x = - 18, y = - 3

Carl has 200 songs on his mp3 player. of these songs, 24 arr country songs. what precent of carls songs are country songs?

The volume of a box (V) varies directly with its length (l). Using k for the constant of proportionality, express the relationship between V and l if V varies directly with l.

Hannah borrowed $2,000 from a bank. She agreed to pay back the bank $2,180 after 2 years. What was the simple interest rate of the loan? Hannah borrowed $2,000 from a bank. She agreed to pay back the bank $2,180 after 2 years.

A scatter plot contains a trend line with a slope of - 4/5. Does this trend line illustrate a correlation? A. Yes, there is a positive correlation. B. Yes, there is a negative correlation. C. No, there is no correlation. D.

How does the following poem express the beliefs of the humanist movement? Sonnet 4 from Astrophil and Stella by Sir Philip Sidney

Form a sequence that has two arithmetic means between - 13 and 89. a. - 13, 33, 43, 89 c. - 13, 21, 55, 89 b. - 18, - 36, - 72, - 144 d. - 18, - 81, - 144

Divide and round to the nearest tenth55.62 / 8.8 does 8.8 turn into 9 and does 55.62 turn into 56? rounding off confuses me : - ' (ugh!

What polynomial should be subtracted from 7x^2-6x+5 to get the difference equal to x^2-x.

Hi how are you how do i get the answers for my self because i am a teacher and get just the test with out the answer on them for the students