Use the quadratic formula to determine the exact solutions to the equation. x2? 4x? 8=0

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?

The trapezoid is composed of a rectangle and two triangles. what is the area of the rectangle? what is the total area of the triangles? what is the area of the trapezoid? a) 48 cm2; 32 cm2; 80 cm 2 b) 48 cm2; 16 cm2; 64 cm 2 c) 128 cm2; 32 cm2; 160 cm 2 d) 128 cm2; 16 cm2; 144 cm 2