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

2 and 5/8 + 1 and 3/4

What is the answer to 2x+7+6x-x

If lauras uncle eats 2 out of 90 crackers how many students can go and theres 120 drinks, how many students can go

The equation yˆ=-0.37x2+6.15x+52.3 approximates the average temperature in October in degrees Fahrenheit at an agricultural community x hours after 5 a. m. What is the best estimate for the average temperature in October at 10 a. m.?

Sin^4 x - cos^4 what is x

Which is the better buy if the cost 6$ for 2 for refills or would the 12$ for 3 refills be better

When you solve a problem involving money, what can a negative answer represent?

What is the gcf of 14b and 20b^6

Which one is true show work for all a. if 4 (x+6) = 15, then x = 2 b. if 4 (x-8) = 36, then x=24 c. if 4x+10=26, then x=4 d. if 6x-18=48, then x=11

The length of a rectangular garden is 3 feet less than twice its width. the perimeter of the garden is 42 feet. what are the dimensions of the garden?