Pick the set of numbers which contain all perfect squares:

a. {2,4,8,16,32}
b. {10,20,30,40,50}
c. {1,2,3,4,5}
d. {81,16,25,49,1}

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

This stem-and-leaf plot represents the heights of the students on ralph's basketball team. one student's height is missing from the plot. if the mean height of all the students on the team is 61 inches, what is the missing height? a. 55 in. b. 59 in. c. 61 in. d. 65 in.

Factor the following expression. 27y3 – 343 a. (3y + 7)(9y2 + 2ly + 49) b. (3y – 7)(9y2 + 2ly + 49) c. (3y – 7)(932 – 217 + 49) d. (3y + 7)(92 – 2ly + 49)