Select all of the following that are linear functions

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?