Please help with these questions (no links)

Abaseball team drinks 10/4 gallons of water during a game. which mixed number represents the gallons of water consumed? a) 1 1/2 gallons b) 2 1/2 gallons c) 2 3/4 gallons d) 3 1/2 gallons

What is the value of x? enter your answer in the box.

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.