Which sets represent proportional relationships? Check all that apply.
(1,4), (3, 8), (5,9)
(3, 2), (6,4), (9,6)
(2, 2), (4,4), (6,6)
(1,3), (2, 7), (3,8)
(0,0), (1, 2), (2, 4), (4,8)
I

To make a monster appear large in a movie, a human actor wore a costume and walked through a scale model of a city. the scale used was 1 inch = 15 feet. the actor is 60 inches tall. how tall does the monster appear in the movie? question 5 options: 720 feet 75 feet 4 feet 900 feet

The graph of f(x), shown below, resembles the graph of g(x) = x2, but it has been changed somewhat. which of the following could be the equation of f(x)?

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years