The selling price of x number of a certain stereo can be modeled by the function R (x) = 160x. The total cost of making x stereos is C (x) = 71x - 0.02x2. What is the percent markup for 31 stereos?

23%

127%

227%

278%

Simplify the following x= - (-10) / (-10) 2 - 4 (1) (2) 2 (1)

What percent of 9775 is 1275

Christian is categorizing each fraction shown as either a terminating decimal or a repeating decimal. Sort each fraction into the correct category. 54/5, 2 14/15, 20 1/12, 71/4, 33/2, and / 16 5/8

What is - 4x (4) + 8 but I'm not going to be solving for x

You have lunch at an Italian restaurant. The cost of lunch before tax is $12.50. The sales tax rate is 7%. You leave a 20% tip on the pre-tax amount. What is the total amount you spend on lunch, including tax and tip?

Convert number from scientific notation to standard notation 3.9*10^-3

Write the following number in the standard form. 13450000000

For exponential functions of the form f (x) = c#, which of the following expressions is equal to f (3) = f (4) ? Click on the correct answer. f13•4) f (34) f (3+4)

A stack of sixty cards is placed next to a ruler, and the height of stack is measured to be 3 / 8 of an inch. How thick is one card?

I need some equations with the answers of x=12