Suppose a jar contains 7 green marbles, 3 blue marbles. If one marble is drawn at random, then replaced and then another marble is drawn at random, what is the probability of drawing one green marble then one blue marble?

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

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

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1