Davon volunteered to tutor 15% of the 140 fifth graders at his school.

He also tutored 30 fourth graders. How many students did Davon

tutor altogether?

Which is greater 1/5 or 2/5

What is the least common denominator of 2 4/12,3 1/2,3/7,4/8

12/18 is it greater than less than or equal to 15/21

Ms. Wood took m1/6 of an hour to review each question fromt the Science test. How many questions can she review in 2/3 of an hour?

Round 0.8888 to 1 significant figure

Find the least common multiple of x2 - 2x - 15 and x2 + 2x - 3. (x + 5) (x + 3) (x + 1) (x - 5) (x + 1) (x + 3) (x - 5) (x + 3) (x - 1) (x + 3) (x - 1) (x + 5) z varies inversely with the product of x and y. When x = 2 and y = 4, z = 0.

A box contains 150 black pens and 50 red pens. Jose said the sum of the probability that a randomly selected pen will not be black and the probability that the pen will not be red is 1. Explain whether you agree.

Which missing side length makes the perimeter, p = 26 feet true?

Convert 45.5 miles per hour to centimeters per minute

Kristina took out a loan at a 14.1% APR, compounded monthly, to buy a motorcycle, and she is making monthly payments to pay off the loan. Which of these interest rates would have allowed Kristina to pay off the loan faster?