What can be determined by looking at the polynomial f(x)=(x+3)(x−7)? A. The graph of the polynomial has a vertex at (3,−7). B. The graph of the polynomial has a vertex at (−3,7). C. The graph of the polynomial has zeros at (3,0) and (−7,0). D. The graph of the polynomial has zeros at(−3,0) and (7,0).

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

What is the volume of a cone with a height of 6 cm in the radius of 2 cm