The diameter of a circle measures 30 m. what is the circumference of the circle?

How can we find the measure of an exterior angle if we know the measurement of an interior angle

What is the sum of these mixed numbers 2 1/8 + 4 3/8

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.