Evaluate 15r+6 (60-r)for r =20,30 and 40. what conclusion can you draw

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c?

Alawn mower manufacturer incurs a total of 34,816 in overhead costs and 388 per lawn mower in production costs. how many lawn mowers were manufactured if the average cost of productions is 660

What is the measure of angle z in this figure? enter your answer in the box. z = ° two intersection lines. all four angles formed by the intersecting lines are labeled. clockwise, the angles are labeled 43 degrees, x degrees, y degrees, and z degrees.