Mr. Molier is calculating the semester averages for his history students. he can calculate the average for 20 students in an hour. how many minutes does it take him to calculate the average for each student?

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?