What are rational numbers and how do you tell the difference between integers? answer what are rational numbers first.

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.

When only separate discreet points are graphed it is called?

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7