What amount of a 75% acid solution must be mixed with a 50% solution to produce 300 mL of a 55% solution? mL

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

Suppose your school costs for this term were $4900 and financial aid covered 3/4 of that amount. how much did financial aid cover? and how much do you still have to pay?

What is the slope of the line that contains the points (-2,1) and (0,-3)