En 13. The mean (average) weight of 5 boys is
160 pounds. If three of the boys weigh
152, 158, and 168 pounds respectively,
which of the following could be the weights,
in pounds, of the other two boys?
165 and 150
(2) 162 and 156
(3) 160 and 162
(4) 157 and 168
(5) 155 and 172
.
ea?

What is the binomial expansion of (2x-3)^5

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old