A student answers 80% of the questions on the math exam correctly, if she answers 20 questions correctly. How many questions are on the exam?

Determine the possible survey questions that could be used to collect

If y is directly porportional to x, and y=84 when x=7, what is the value of x when y=156? A. 7 B. 12 C. 13 D. 22

12 stamps increased by 125% what is the new amount

Identify the fallacies of relevance committed by the following arguments, giving a brief explanation for your answer. If no fallacy is committed, write "no fallacy." U. S.

Lily swims a 100 meter race she swims the first half and 27.8 seconds she swims the second half and 30. 12 seconds about how long does it take Lily to swim the whole race choose the best estimate

How to explain that x/y can result in either a positive or negative quotient

Simplify 2a2b3 (4a2 + 3ab2 - ab) = ? A. 8a4b3 + 6a3b5 + 2a3b4 B. 8a4b3 + 6a3b5 - 2a3b4 C. 8a4b5 + 3a3b5 - 2a3b4 D. 8a4b5 + 3a3b5 + 2a3b4

If m squared minus 5 over 2 m equals negative 11 over 2 what does m equal

Complete the number sentence to show an example of the distributive property 3x6

What is 33 1/3% as a decimal? NOW!