MATH

M1. What is 13+15+17?

M2. What is the opposite of the opposite of the opposite of the opposite of the opposite of the opposite of 5?

M3. What is the square of 4?

M4. Solve the equation 5x+2=9x-2 for x. Only enter your numeric answer.

M5. Find the sum of the roots of x^3-6x^2+11x-6=0. Please only enter your numeric answer.