The area of a triangle is 63 square inches. the base is 18 inches long. what is the height of the triangle?
7 in.
14 in.
3.5 in.
31.5 in.
i think it is c

Find the volume of the solid generated when the region bounded by y= x and y= 4√x is revolved about the x-axis the volume of the solid is: (type an exact answer cubic units)

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)

How many solutions does the nonlinear system of equations graphed bellow have?