I really need help!!! I just found out I need to do this in 10 minutes. I will mark you brainliest! Please!

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?