Which of the following situations forms a proportional relationship? Select all that apply. 5 DVDs for $9 and 15 DVDs for $27

6 cups of coffee for $8 and 9 cups of coffee for $12.

3 purses for $60 and 5 purses for $90

12 cans of soup for $3 and 30 cans for $7.50.

2 ink cartridges for $25 and 4 ink cartridges for $75.

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.

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin

What is the area of the shaded sector?