Evaluate using P E M D A S 2 x 3 + 4

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.

Given that abcd is a rhombus, what is the value of x?

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.