Line qs bisects angle rqt into two congruent angles measuring (4x-25) degrees and (2x+5) degrees. find measure rqs

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

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

What statement is true? 2x^2-9x+2=-1