There are 28 students in a class. Two of the students are named Emily. What is the approximate probability that either Emily is chosen at random?
А
2%
B
3.6%
С
D
28%

Last month, a 770 g box of cereal was sold at a grocery store for $3.10. however, this month, the cereal manufacturer launched the same cereal in a 640 g box, which is being sold at $2.50. what is the percent change in the unit price?

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents