1/2r+2 (3/4r-1) = 1/4r+6

At Sunrise Donuts you can buy 6 donuts and 2 kolaches for $8.84. One kolache and 4 donuts would cost $5.36. What is the price of one donut at Sunrise Donuts?

Expand the following: 3 (x + 5) 4 (x - 4) 2 (5x + 1)

2√7 times 3 √21 simply

What is the period of f (x) = sin (x) ?

Write " 240 miles i'm 6 hours " as a unit rate

A tree that is 2 feet tall is growing at a rate of 1 foot per year. A 6 foot tall tree is growing at a rate of ½ foot per year. In how many years will the trees be the same height? How tall will the trees be? system of equations

The diameter of a circular rug is 5.6 feet what is the circumference

It takes a person 30 minutes to gather 1 basket of fruit. Working at the same rate, how many baskets can 25 people gather in 8 hours?

Paul and charlene are 420 miles apart. They start toward each other with paul driving 16 miles per hour faster than charlene. They meet in five hours. Find charlene's speed.

8: 1 and 4/5 as an improper fraction