Find the value of the variable.

A. 7
B. 3
C. 3.5
D. 1.5

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz