Kelly has 55 different books. She gives 20 of the books to her friend. How many books does kelly have now?

10 (1 - 2y) = - 5 (2Y - 1)

How many odd integers are there between 17/4 and 35/2?

A computer manufacturer conducted a survey. It showed that a younger customer will not necessarily purchase a lower or higher priced computer. What is likely true? 1. There is no correlation between age and purchase price. 2.

What is the mean in 7x393=

It takes Max 1 minute and 45 seconds to run around a track once. It takes Max 3 minutes to walk one lap on the same track. If Max walks and runs around the track and completes 10 laps in 25 minutes, how many laps did he run?

A spinner is divided into 5 equal sections labeled A B C D E. You spin the spinner twice. What is the probability you land on a vowel both times?

Solve the equation h/9=7

The system of equations x = y - 1 y + 4 = x + 6 has how many solutions.

Solve this inequality: 3 (x + 6) - 2 (x + 2) > (or equal to) 10

Is 4/5 greater than 1/3