The diameter of a small gear is 16 cm. this is 2.5 cm more than 1/4 of the diameter of a larger gear. what is the diameter of the larger gear? (round to the nearest centimeter)

What is the average rate of change for this function for the interval from x=2 to x=4 ?

Find the difference (8ab+a+2) - (3ab+6)

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.