Please help I’m in the middle of the test and I’m not sure. The red line is not part of the shape it’s a measurement. Find the area please. Formula (a= hᵇb/2)

Me. drysdale earned 906.25 in interest in one year on money that he had deposited in his local bank if the bank paid an interest rate of 6.25% how much money did mr. drysdale deposit

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

What is the area of triangle abc if a = 8, b = 11, and c = 15?