If the diameter of a circle has endpoints a (7,2) and b (-1,8), where is the center?

Why do interests rates on loans to be lower in a weak economy than in a strong one

Find the value of p for which the polynomial 3x^3 -x^2 + px +1 is exactly divisible by x-1, hence factorise the polynomial

Richard save $32 in march he saved $48 in april and $38 in may then richard spent $113 on a keyboard how much money does richard have left