Which set of equations illustrates how multiplication and division are inverse operations? 3 × 4 = 12 and 3 + 4 = 12 16 ÷ 8 = 2 and 16 - 8 = 8 4 × 6 = 24 and 24 ÷ 12 = 2 2 × 7 = 14 and 14 ÷ 7 = 2

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?

20 solve 2(4 x + 3) < 5 x + 21. a) { x | x < 9} b) { x | x > -5} c) { x | x > -9} d) { x | x < 5}

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?