∠A and ∠ B ∠B are complementary angles. If m ∠ A = ( x − 15 ) ∘ ∠A=(x−15) ∘ and m ∠ B = ( x + 3 ) ∘ ∠B=(x+3) ∘ , then find the measure of ∠ B ∠B.

Find a third-degree polynomial equation with rational coefficients that has roots -2 and 6+i

What is the probability that a person's favorite season is fall? write the probability as a fraction. spring - 13% summer - 39% fall - 25% winter - 13% none, i like them all - 10%

Of . 3x+4y+4z=4, 5x+7y+3z=5 4x+5y+7z=7