Find the measure of the angle indicated.

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?