I need help!! 1.
A stack of 200 file folders is 5.125 inches tall.
a.

Elena guesses that each file folder is 0.035 inches thick. Explain how you know that Elena's
answer is not correct.

b.
Compute the thickness of each file folder. Show your reasoning.

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Aswimming pool measures 22ft by 12ft and is 4ft deep. if the pool is being filled at 2.5 cubic ft per minute, how long will it take to fill the pool?