Its dividing fractions and mixed numbers

How do I find if the graph is a function in pre-algebra

Which expressions are equivalent to 4 (4a+5) ? Select three a. 16a+5 b. 16a+20 c. 12a+20+4a d. 2 (8a+10) e. 16a+5+4

Which of the following is not a function? A. The relationship between an item and its cost in a vending machine. B. The relationship between its side lengths of a square and the area of a square. C.

A factory worker in Cambodian makes 320,000 Cambodian riels per month. If 1 U. S. dollar equals 4000 Cambodian riels, how much does the factory worker make in U. S. in dollars per year?

Determine the maximum number of zeros of the polynomial function - 8x^4-x^2+2

Suppose that an individual has a body fat percentage of 19.7% and weighs 143 pounds. How many pounds of her weight is made up of fat? Round your answer to the nearest tenth.

What is the annual value of a 401 (k) plan in which the employer agrees to match 3.5% if the employee contributes $10,000?

Two expressions that equal 19

A trapezoid and has an area of 45 square centimeters. If the base are 10 and 5 centimeters, what is the height of the trapezoid?

14. A company employee has to print 3145 pages, and the company's printer prints 85 pages per minute. The function f (x) = - 85x+3145f (x) = - 85x+3145 represents the number of unprinted pages x minutes after the printing begins.