Is 99 a prime number

The manager of a large apartment complex knows from experience that 90 units will be occupied if the rent is 496 dollars per month.

If i do something for 19% of the day how many hours is that

A person can order a new car with a choice of 13 possible colors, with or without air conditioning, with or without automatic transmission, with or without power windows, and with or without a CD player.

What is (x+3i) (x-3i) (x+1) (x-1) multiplied out?

Katoni bought 1 1/2 dozen pencils. There are 12 pencils in a dozen. How many pencils did Katoni buy?

Find the total area of the rectangular prism whose base is 3 feet by 2 feet, and is 5 feet high

A department store, on average, has daily sales of $154.87. The standard deviation of sales is $24.67. On Tuesday, the store sold $101.69 worth of goods. Find Tuesday's z score.

suppose Malcolm adds 2 to the left side of an equation and subtracts 5 from the right side. What number should he now subtract from the left side to make a true equation again?

Whats 20 % of $48.25?

How might 2,197 be written as a base number with exponent?