The cost c of producing x number of calculators is given by c = 4.50x + 3000 and the revenue r from selling is 16.50x. find the number of calculators that must be sold to break even

A professor surveys his students about their opinions on how well he taught the course. He puts this survey on the last page of his final exam.

Mr. chen bought 3 pound of ham for $21. At this rate how much would 9 of ham cost

Which of the following expressions are polynomials and which are not (why?) 1/x^3 + x^2

What is the total surface area of this square pyramid? A square pyramid has a square base has side lengths of 9 millimeters and triangular sides have a height of 12 millimeters.? mm^2 A) 189 B) 216 C) 297 D) 378

What is equivalent fraction of 4/5

If h (x) = 6 - X, what is the value of the h) [10) ? 4 0 -2 10 16

The quotient of a number and five is eight less than the number. What is the number? a. 2 b. 2 c. 3 d. 10

Write the equation of a circle. Center: (-1.7) Radius: 14 A (1 - 1) ² + (y + 7) = 14 B (x + 1) 2 + (y - 7) 2 = 196 C (x + 1) 2 + (y - 7) = 14 D (2 - 1) 2 + (y + 7) = 196

What is 40% of 900?

Jet works in the bookstore he has 300 books to stock on the shows so far he has stopped 120 books today what percent of the books does he have left to stock