4cos^2(x)-7cos(x)+3
No decimals, answer in radians in fractions.

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?