In a random survey of 50 seventh grade students at O'Donnell Middle School, 32 said chocolate was their favorite flavor of ice cream. The school has 750 students in seventh grade. How many of them are likely to select chocolate as their favorite flavor?

Given that de, df, and ef are midsegments of △abc, and de=3.2 feet, ef=4 feet, and df=2.4 feet, the perimeter of △abc is .

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.

How are sas and sss used to show that two triangles are congruent?