The graph represents the cooling curve of ethyl alcohol. Determine the boiling point of ethyl alcohol. A)75°C
B)78°C
C)80°C
D)90°C

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.