Xavier uses a 3-D printer to make cell phone cases. It prints at a constant rate. The graph shows the number
of cases it prints over time. How many cases can he
print in 4.25 hours?

Consider the graph of the exponential function y=3(2)×

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.

Mario is constructing a frame for 10 in. by 8 in. photo. he wants the frame to be the same with all the way around in the same area of the frame and photo to be 120 square inches what is the dimension of the frame?