At the last basketball game, 12 out of the first 48 people who entered the stands were wearing a coat. If this sample is representative of the 200 people attending the game, about how many would you expect to be wearing a coat?

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0