Toby kept track of the number of hours that he spent playing the trumpet each week for several weeks. He spent 1, 3, 5, 4, and 7 hours What is the range of the data set? A. 7 hours B. 6 hours C. 4 hours D. 5 hours​

You are making a blueprint of your bedroom and you plan to use a scale factor of 18 . the actual width of your room is 14 feet and the actual length of your room is 16 feet. determine the width and length of your room on the blueprint. on the blueprint, your room will have a width of feet and a length of feet.

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

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab