Anyone want to be frie nds on pad let 2+2?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 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.