Bobby bought a DVD recorder for $280. Now it's in sale for $220. Find the percent of change in price. Round to the nearest whole percent if necessary.

Solve 6/7 divided 36/56 and put answer in simplest form answer a. 4/3 b. 5/8 c. 8/6 d. 2/8

5.6 percent as a decimsl show work

how do you round percent of numbers to the nearest hundredth. to this answer 28 is what percent of 62

One milligram of streptomycin sulfate contains the antibiotic activity of 650 μg of streptomycin base. How many grams streptomycin sulfate would be the equivalent of 1 g of streptomycin base?

Carmen is printing an essay that is 10 pages long, and each page contains 57 lines of text. It takes her 5 minutes to print the essay. At what rate did the essay print? A. 119 lines per minute B. 570 lines per minute C. 114 lines per minute D. 13.

8x-9y=1 (3,-4) Slope intercept form

Which of the following correctly describes a concave polygon? A. In a concave polygon, each interior angle is less than 180°. B. In a concave polygon, at least one interior angle is greater than 90°. C.

Find the mode of the following distribution X 35 38 40 f 15 9 9 10 10

Suppose Ravi places $8500 in an account that pays 2% interest compounded each year. Assume that no withdrawals are made from the account. How much does he make after 1 year How much after 2

What is the answer to 2/3 (5x+6) = 34