Alex solves the equation 4x=2(5x+1/3) where x represents the length of the side of a square and 2(5x+1/3) is the perimeter of a parallelogram. which statement about the equation is true?

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2

Two trains leave stations 546 miles apart at the same time and travel toward each other. one train travels at 95 miles per hour while the other travels at 115 miles per hour l. how long will it take for the two trains to meet

What is the domain of the step function f(x)=[2x]-1?