what is the multiplicity of the zero of the polynomial function that represents the volume of a sphere with radius x+5

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

Abcd is a square. what is the measure of angle bac

Given: △acm, m∠c=90°, cp ⊥ am , ac: cm=3: 4, mp-ap=1. find am.