4-44 identify the mathematical property, operation, or idea that justifies each sequence of expressions below. Then find the value of the expression

What is the slope of a line that is perpendicular to y = 3x + 1

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.

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5