!!please help quick

The functions f and g are defined as follows:

f(x) = 1 - 3x and g(x) = x2 - 1.

(i) Find fg(3).
(ii) If fg(x) = -8, find the value(s) of x.

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

Find the roots of the equation below. x^2 - 6 + 9 = 0

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?