Solve the following system by the comparison method. 2p + q = 1

9p + 3q + 3 = 0

What is the solution set?

{(-2, -5)}
{(2, -5)}
{(-2, 5)}

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation:

3

step-by-step explanation: