A police officer records the speeds of vehicles on a road. What percent of the vehicles were traveling between 46 and 50 miles per hour?
Speed (MPH) Number of Vehicles
36 -40
41 - 45
46 - 50
51 - 55
56 - 60
2
14
18
12
4

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

Question: a) does the given set of points represent a linear function? how do you know? b) assume that the point (-2,4) lies on the graph of a line. what y-values could complete this set of ordered pairs that lie on the same line: (- (hint: there are several correct answ

Y=21.95x+10 y=22.45x solve by substitution