After eating dinner at a restaurant, sid's bill before tax is
$62.00. the sales tax rate is 8%. sid decides to leave a
15% tip for the waiter based on the pre-tax amount. how
much money will sid pay total, including tax and the tip?

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88

Scarlet bought three pairs of sunglasses and two shirts for $81 and paula bought one pair of sunglasses and five shirts for $105 what is the cost of one pair of sunglasses and one shirt?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2