If bcde is congruent to opqr, then cd is congruent to

a. pq
b. qr
c. ro
d. op

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?