Erica drives 25 miles south, and then drives east. After a while, it is determined that she's 60 miles (diagonally)
from where she started. How far east did she drive?
(HINT: draw a rough sketch!)

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

What is the measure of one interior angle of a pentagon

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18