Systems of equations
Solve the system of equations.
- 5x + 2y = 9
y = 7x
y = 70

The anwser cause i do not understand just plez

Find the values of the variables and the lengths of the sides of this kite.

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