2. A semi-circular sheet of metal with a diameter of 28 centimeters is bent into the shape of an open conical cup. What is the capacity of the cup?
A) 622.26 cubic centimeters
B) 616 cubic centimeters
C) 600 cubic centimeters
D) 625.25 cubic centimeters

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?