How to do two step equlaity work problems

Find the maximum value of p= 4x + 5y subject to the following constraints :

Rewrite the expression in z to the n power. the expression i was given is: 1 over z to the negative 1 half power.

Factor the following polynomial completely 514 + 2013 - 1052 oa. 5121 + 3)( - ) ob. 51%(1 - 3)(1 + 7) oc. 5198 - 3)(x + 7) od 51%(+ 3)(x - 7)