Principal Phillipi used a random sample of 20 student records to determine how far, in miles, students live from the school. The results are shown below. 3, 4, 5, 3, 4,
5, 6, 5, 4, 3,
2, 3, 4, 5, 6,
4, 8, 4, 3, 2

What is the mean distance that his students live from the school, rounded to the nearest tenth?
4.1 miles
4.2 miles
8.0 miles
8.3 miles

Valentino starts with a population of 1,500 amoebas that increases 35% in size every hour for a number of hours, h. the expression 1,500(1+0.35)h finds the number of amoebas after h hours. which statement about this expression is true? a. it is the initial population raised to the growth factor after h hours. b. it is the sum of the initial population and the percent increase. c. it is the sum of the initial population and the growth factor after h hours. d. it is the product of the initial population and the growth factor after h hours.

The table above shows approximate conversions from gallons to liters. what is the value of x?

Add the fractions and simplify 1/2+ 1/3