What are the roots of the quadratic function f(q)=q^2-125

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

Mario is constructing a frame for 10 in. by 8 in. photo. he wants the frame to be the same with all the way around in the same area of the frame and photo to be 120 square inches what is the dimension of the frame?

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?