For the function defined by y = 1/x^4, y varies inversely as what quantity? a. x^2
b. 1/x^4
c. y
d. x^4

The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?