The graph of a proportional relationship passes through (6, 42) and (1, y). Find y what's y

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8

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

Iknow the answer but the calculator doesn't seem to give the right one