What is the range of this data set? 1.9, 15.5, 1.3, 16.5, 5.5, 20.2, 12.1, 9.6, 16.8

14.9
16.3
18.9
20.2

Which of the following expressions is equal to 2x^2+8

Read the equations in the table below. then drag a description of the situation and a table to represent each equation. indicate whether each of the relationships is proportional or non-proportional.

Write an expression that has three terms and simplifies to 4x - 7. identify the coefficient(s) and constant(s) in your expression