The amount of caffeine in our bodies cuts in half every hour (50%). Most energy drinks contain around 200 milligrams of caffeine. How many milligrams of caffeine are left after 3 hours?

The base of the pyramid sits atop the rectangular prism. How many faces make up the composite figure

2 to the power of x plus 2 to the power of negative x equals 5/2

If f (x) = 4 - x^2and g (x) = 6x, which expression is equivalent to (g-f) (3) ?

Two ratios that are equivalent to 7:10

Seventy two percent of the shareholders in a service corporation are women if the corporation is owned by 45,600 people how many of the shareholders are women

Which expression represents a quadratic expression in complete factored form? A. (x - 2) + (x+3) OB. (2x+4) (x+3) OC (x - 1) (3x - 9 OD. (x+4) (x-3)

Which equation could be used to find m∠J in △JKL? x = cos-1 x = cos-1 x = sin-1 x = sin-1

Can you guys give me step by step on how to solve this ... ik the answer. "infinitely many solutions" I need the STEPS 5 + x - 12 = x - 7

A company's sales decreased by 8% this year, to $9015. What were their sales last year? (Round your answer to the nearest penny.) My answer was 9,736.2, but the correct answer was 9798.91. Could someone explain how did they get to 9798.91?

Find the difference (2ab+7a+1) - (8ab+9)