Which pair of expressions is equivalent? A. 15a + 6 and 3(5a + 3) B. 14b + 4 and 2(7b – 2) C. 5(2c + 3) and 7c + 8 D. 3(d + 53) and 3d + 5

When eating out, record the total cost of your meal (before tip) and the tip that you left. determine the percent of the cost of the meal that you left as a tip.

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b. you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c. you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d. you spend $5 plus $10 per week until you have less than $45.