21 is 42% of what number

A plant grows 3 centimeters in 10 days. How much does it grow per day? Write your answer as a fraction in simplest form

Which answer explains the correct way to move the decimal to find the quotient of 23.8 * 100? a. two places to the left b. two places to the right c. three places to the left d. three places to the right

Combine the radicals 5√27 - 17√3

Express 72 as a product of prime numbers by completing the factor tree

If the area of a square room is 36 m2, what is the length of each side?

Order from least to greatest - 8, - 19, 0, 1/2, 1/4

One month mike bought two books at a used book store for a total of $2. Over the next few months, she bought four books for a total non $5, six books for a total of $7, and eight books for a total of $10.

Evaluate the expression. 64 - 3 x 23 - 2

You work at an appliance store. A customer purchases a refrigerator and a dishwasher. Installation charges are $50 for the refrigerator and $100 for the dishwasher. The company is offering a rebate of $20 for each appliance installation.

4+x^2=7x standard form