Bonita Wolfe purchased

One-third of a number is 12 less than the number

Tom drove 290 miles from his college to hone and used 23.2 gallons of gasoline. His sister, Ann, drove 225 miles from her college to home and used 15 gallons of gasoline. Whose vehicle had a better gas mileage? Show your work

Prove by contradiction that there do not exist integers m and n such that 14m+21n=100

It takes 3/4 of a cup of orange juice to make 1 smoothie. erin wants to make 2 smoothies. how much orange juice will she need?

When asked to write the prime fractorization of 117, a student wrote 13 • 9. what is not a prime number?

What is the scale factor of lmn to opq?

3. Which of the following is equivalent to 3 (y - 1 + 2y) ? A. 3y - 9 B. 6y - 3 C. 9y - 3 D. 3y - 3

If y various directly with x, write an equation for the direct variations. The find each value. 1.) If y = - 4 when x = 10, find y when x = 5 2.) If y = 12 When x = - 15, find y when x = 2 3.

89 (54x - 36) + 2 = - 3/4 (-40 + 16x) + 90xsolve for x

The ratio of cars to vans in a parking lot is 1 to 4. If there are 40 cars and vans in the parking lot altogether then how many vans are there?