Find the expression for f(x) that makes the following equation true for all values of x. (81^x)/9^5x-8=9^f(x)

List the sides of δrst in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12

Bring the fraction a/a-4 to a denominator of 16-a^2

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.