10s4-6s-3?
10s to the power of 4 minus 6s minus 3

Determine if the equation defines y as a function of x: 2xy = 1. yes o no

Math i have no idea how to do a and b

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