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

Slope is - 3, y-intercept is (0,2)

What is 2+2? im really stuck on this one and cant figure it out!

Mary started cooking at 8:45 AM and finished at 9:33 AM how long did it take her give your answer in minuyes

The product of 2 and the second power of y in algebraic expression

On the first math test, Keiko answered 19 out of 25 questions correctly. On the second test she got 17 out of 20 correct. On which test did she get a better grade? Look at the table. how are 50, 75 and 100 related to 25?

The sum of two numbers is 44. Their difference is 22.

What is the percentage of 0.5

981,657 rounded to nearest ten thousand

A nutrition label states that there are 36 grams of carbohydrates in each serving. this account for 12% of daily value. how many grams of carbohydrates are recommended per day?

The cosine of the complimentary angle to 58° a. 0.74 c. 0.83 b. 0.85 d. 0.94