40 of oatypop cereal boxes contain a prize. hannah plans to keep buying cereal until she gets a prize. what is the probability that hannah only has to buy 3 or less boxes before getting a prize? use the simulation data to find the probability

(if f(x)=4x^2 and g(x)=x+1, find (f o g)(x)

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

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