HELP if you answer you get 20 points.

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2

Afarmer has decided to divide his land area in half in order to plant soy and corn. calculate the area of the entire area so he knows how much soil is needed. each bag of soil covers 20 square yards. how many bags should the farmer purchase? (4 points) 1 bag 2 bags 3 bags 4 bags

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