Which equation best expresses the revenue for selling n books at $12.50 each?

A) r+n=12.5

B) r=n+12.5

C) r=12.5/n

D) r=12.5n

If f (x) = x/2+8 what is f (x) whenx = 10?

What is f (x), g (x), h (x) if x=-2

What is 0.6 (x-5.1y-8)

Using the polynomials Q = 3x 2 + 5x - 2, R = 2 - x 2, and S = 2x + 5, perform the indicated operation: Q - [R + S]

The area of the rectangle is 56 sq in and the widths is 7 in, what is the length

Of v (x) is the set of all real values except 2. What are the The domain of u (x) is the set of all real values except restrictions on the domain of () (x) ? u (x). and v (x) 2 x 0 and x cannot be any value for which u (x) - 2 x.

If 24 students took a test and 18 passed how much percent passed?

A 9 kg bag of mangoes for $12 what is it per kg

Write an equivalent expression. (-11f) - 2 (-f - 4) - 10

The price of a tent was decreased by 15% and sold for $76.49. What was the orginal price of tent in dollars