JK has endpoints at -12 and 4. What is the coordinate of its midpoint

Sorry guys but as you have a small brain

What is the frequency of the sinusoidal graph?

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42