What is the value of a, if a2 - 64 = 0 and a > 0

Find the product of 20*9*5. Tell which property you used Tell property do you use

Juliana wants to write the number twenty thousand, one hundred ninety in expanded notation. Which the following would complete the expression? Select all that apply. (2x?) + (1x100) + (9x10) A. 1,000 B. 10^4 C. 100,000 D. 10^3 E. 10,000

I am the number of red tiles in a design with red and blue tiles. The red tiles each have 3 sides. The blue tiles each have 5 sides. There are 3 blue tiles. There are 30sides on the tiles in all. What number am I?

Determine if these expressions are equivalent. 6 (4x - 5) and 3 + 22x - 33 - 2x

A bar of soap weighs 3.8 ounces. The ingredient glycerin makes up 0.4 of the weigh of the soap. What is the weigh of the glycerin in the bar of soap

Two friends start a business. Together they spent 800 dollars for their initial inventory. They will sell all of their initial inventory for a profit, which will be split evenly among themselves.

If a square has 10 equal parts and 4 are shaded and 6 are blank what is the percent represented by the shaded area

John needs to cut three strips of woods, 25.5 cm, 15.3cm and 9.25cm long. He has a strip that is 72 cm long. How long will leftover piece be after he cuts what he needs?

Which property should be used to solve this equation 4+x=13

a store has some sale on let supplies the price of each item is marked down 25% the store also offers a coupon for 5 off for when you check out write an expression that represents the final price after a customer uses the coupon