If f(x) = 3x and g(x) = -2x + 7, what is f(g(-2))?

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

Which of the following circles have their centers on the x-axis? check all that apply.

He 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) 42 cm2; 27 cm2; 69 cm 2 b) 54 cm2; 27 cm2; 81 cm 2 c) 108 cm2; 27 cm2; 135 cm 2 d) 108 cm2; 13.5 cm2; 121.5 cm 2