Please Help In an arithmetic sequence, the first term is a1=12 and the common difference is d=
5. Which is the value of the eighth term, a8?

Evaluate the following expression 1/3^2

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.

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?