Which of the following is a function?

a. { (-4,1), (1,8), (-4,-2) }

b. { (-4,1), (1,-8), (-2,-2) }

c. { (-4,1), (1,-8), (1,-2) }

d. none of these

Which ratio forms a proportion with 7/14 a) 5/12 b) 2/5 c) 4/9 d) 3/6

What is the width of rectangle when the perimeter = 40in?

Micah walks m miles every morning and 3.2 miles every evening. He has walked total of 85 miles in the past 10 days. Which equation can be used to find how many miles Micah walks every morning?

The area of a round mat is 64 pi square inches. what is the diameter of the mat

An auditorium measures 35.0 m ✕ 25.0 m ✕ 9.0 m. the density of air is 1.20 kg/m3. (a) what is the volume of the room in cubic feet?

A technology company determined that an average of 3 phones were defective for every 200 phones it produced. At this rate, about how many phones were defective if the company produced 50,000 phones?

Mrs. Stevenson wants to split her class into 4 teams: Team A, Team B, Team C, and Team D. There are 24 students in her class. To make sure she splits them evenly, she puts the name of each team on 6 pieces of paper and puts them in a hat.

35 percent of ms walkers class brought in food for the food drive. If there are 20 students in her class how many brought food

Find the angle formed by the hands of a clock at 11:40

What is a fraction that is less then 1/8