Find f’(x) when f(x)= 2x^2

answer choices:

a) 8x
b) 4x
c) 2x^4
d) 6x

Divide. write in the simplest form. 4 1/6 divided by 10

Barbara deposited $300 in the bank. if the bank pays her simple interest at the rate of 4 percent per year, how much money will she have in her account at the end of 9 months?

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase