Solve for the value of the expression 4a^4 − 2b^2 + 40 when a = 2 and b = 7.
a.) 6
b.) 39
c.) 74
d.) 202

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

Which of the following best describes the figure?

Can you divide 25 into 4 equal groups? explain why or why not.