Which expression is equivalent to
(x+42)?
A 3x+42
B 2x+18
C 3x-18
D-3x - 18

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.

Select the sequences that are geometric.

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab