The variable z varies jointly with x and y. Also, z=-75 when x=3 and y=-5 what is the constant of variation

800 is 10 times as much as

Find the cubic equation that has - 1 and 2i as roots

The price of a cake plus a 17% delivery charge comes to a total cost of $21.06$⁢ What was the price of the cake?

Mr. Peterson plans to take dance lessons. He will pay a one-time registration fee of $35 plus $12 per lesson. Which equation can be used to find y, the total cost of x dance lessons? A. y=12x+35 B. y=35x+12 C. y=12x-35 D. y=12 (x+35)

In one grade of 150150 students, the ratio of boys to girls is 2 : 3. How many boys are in that grade?

50/8 converted as a mixed number

If x = 9 and y = - 2 what's 10 + 5xy

How do we express one-half difference of a number cubed and one

A pool table supply company is making a cardboard box to package new cubes of pool cue chalk. Each cube of chalk is 1 cubic inch. The company considers all the ways to arrange 16 cubes of the chalk.

About 13 out of 20 homes have a personal computer. On a street with 60 homes, how many would you to expect to have a personal computer?