Which relation is a function? { (1, 3), (2, 6), (3, 9), (4, 12) } { (3, 4), (3, 3), (1, 2), (1, 5) } { (1, 4), (1, 3), (1, 2), (1, 1) } { (3, 4), (2, 4), (5, 1), (3, 5) }

Brett mows 3 lawns each week to make money. He earns $15 for each lawn that he mows. Which expression represents the amount of money Brett has earned after w weeks? Select each correct answer. w (3⋅15) w (3+15) 3w+15 15w+15w+15w

What's the area of an circle with the diameter 14cm

The ratio of apples to dollars is 4:5. How many apples can you buy for $35 A. 20 B. 24 C. 28 D. 35

What number adds to 25 but multiples to get 50

You roll a die. What is the probability you will roll a 4?

One woman is able to buy 5 hat and 4 pairs of mittens for $30 another woman purchase 5 pairs ovens and 2 hats for 19 what are the prices

3x+2y=38 x=3y-2 substitution

What is the approximate area of a circle with a radius of 28 cm use 3.14

The price of a jacket is $140.00. Customers can get 25% off the price of a jacket. Which statement correctly describes how to find the new price of the jacket? Answer Choices A. Convert 25% to a decimal.

In a study, the data you collect is: Letter grade (A, B, C, D, F). What is the level of measurement? a. nominal b. ordinal c. interval d. ratio