If f(x) = x2 – 1, and g(x) = x + 2, then
f(g(x)) = x2 + [? ]x +[ ]

Need help it’s x to the 2nd power

Which is f(5) for the function –2x2 + 2x - 3?

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?

The tile along the edge of a triangular community pool needs to be replaced? ?