I have 50 questions to complete in 45 minutes. How much time per question can I have in order to complete all 50 questions in 45 minutes?

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter

How can you check that you have correctly converted frequencies to relative frequencies?