A 24 inch piece of board was cut from the end of a 120 inch long board. The larger piece was then cut in half. Which of the following is the best estimate for the length of one of the halves?
A. 30 in
B. 40 in
C. 50 in
D. 90 in

Each of the four sides of a swimming pool measures 9 meters. the pool is 5 meters deep. how much water will be needed to fill it completely? a. 45 cubic meters b. 81 cubic meters c. 225 cubic meters d. 405 cubic meters reset next

Which speed is the fastest (use 1 mile ≈ 1.6 kilometers)? a. 12 miles/hour b. 18 feet/second c. 19 kilometers/hour d. cannot be determined

Find the value of the combination. 5 c 5