A. The water level in a reservoir increased 52 meters. If this was a 23% increase, what was the initial depth? B. The price of a jacket was reduced from $84 to $63. By what percentage was the price of the jacket reduced?

C. After a 25% discount, the price of a T-shirt was $12. What was the price before the discount?

I know the answers(don't now if there right) but i have to figure out how to do them please help.

The graph shows the function f(x) = (2.5)x was horizontally translated left by a value of h to get the function g(x) = (2.5)x–h.

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.

James is playing his favorite game at the arcade. after playing the game 33 times, he has 88 tokens remaining. he initially had 2020 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays