Name the property illustrated by this statement.
7. (2a + 3b) + 4c = 2a + (3b + 4c)

Afurniture store has 1,500 chairs in storage. a manager uses three delivery receipts to simulate samples to check 100 chairs and note the number of brown chairs. suppose the actual number of brown chairs is 1,080. about how many brown chairs are

Af jewelry box is in the shape of a rectangular prism with an area of 528 cube inches. the length of the box is 12 inches and the height is 5 1/2 inches. what is the width of the jewelry box

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).