Mike has a stack of 10 cars number 1 to 10. If he randomly chooses to cards without replacing the first car drawn, what is the probability that Mike would pick two cars are less than five?

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

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

Solve for x and select the correct answer