please helpp △ABC, m∠A = 40°, m∠B = 90°, and m∠C = 50°. If the triangle is rotated 90° clockwise about a point, what is the measure of ∠A'? A.40

B.50

C.90

D.180

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.