Calculate the value of each of the following: (+8) • =
(-8) • (-3)=
18
(-3)
=
(-18) =
(-3)

Can someone me and do the problem plz so i can understand it more better

Avery’s piggy bank has 300 nickels, 450 pennies, and 150 dimes. she randomly picks three coins. each time she picks a coin, she makes a note of it and puts it back into the piggy bank before picking the next coin.

If f(x) = -5x + 1 and g(x) = x3, what is (gºf)(0)? enter the correct answer