If z is the midpoint of rt what are x, rz, rt

Ruby and chung work together ruby lives 13 1/2 miles from work chung lives 2 1/6 miles beyond ruby how far from work does chung live

Choose the number sentence that shows the identity property of addition. a. 122 = 61 + 61 b. 62 = 1 + 61 c. 61 = 0 + 61

These tables represent a quadratic function with a vertex at (0, -1). what is the average rate of change for the interval from x = 9 to x = 10?