Solve for K someone help me

What is the perimeter of square abcd? units units 28 units 37 units

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42

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