The total bill for drinks and pizza for three people is $14.90 before tax. the sales tax is 5%.what will be the amount of sales tax added to the bill?

Solve for x, y, and z. show all steps.

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

Which of the following functions corresponds to the above sinusoid? a. 10 cos πx - 5 b. -5 sin x - 5 c. -10 cos πx/2 - 0.5 d. 10 sin πx - 5