Suppose you are starting an office-cleaning service, you have spent $315 on equipment. to clean an office, you us $4 worth of supplies. you charge $25 per office, how many offices must you clean to break even?

On a number line does a negative number go the bottom or top

If i take 2 cookies and had 2 more cookies, how many cookies do i have

What is a real world problem using mixed numbers who some is one and three

The base of a square pyramid has a side length of 9 inches. The height of the pyramid is 21 inches. What is the volume of the pyramid? A. 189 in3 B. 567 in3 C. 850.5 in3 D. 1701 in3

What is the tenth digit in the quotient 120 : 11

Rosario answered 27 out of the 30 questions on Mr. li's science test correctly. How is Rosario's grade represented as a percent?

32 plus 20 using the distributive property

Simplify the expression 4 (3y-2)

Maya dropped her keys

The distribution of the number of hours of sleep people get per night is unimodal and symmetric with a mean of 6 hours and a standard deviation of 1.5. Using the Empirical Rule, approximately what percentage of people sleep between 6 and 7.