Are there any whole numbers not built out of prime numbers

Tatami mats are used as a floor covering in Japan. one possible layout uses four identical rectangular mats and one square mat. The area of the square mat is half the area of one of the rectangular mats.

Julie keeps rabbits and hamsters as pets she has four rabbits and an odd number of hamsters she has more hamsters than rabbits the total number of pets she has is less than ten how many hamsters does Julie have?

What is the measure of each exterior angle for regular hexagon

Which statement about the angle is true

Estimate 771 divided by 3.6

How can u use the Distributive Property to answer 144-:-8=?

I do not know what multiplication problem for (8*3,000) + (8*200) + (8*9) is

The sum of positive integers x and y is 246, and x/y = 5. What is the value of y?

Where do martians leave thier spaceships

How to find the zeros of f (x) = - 2x^2+8x