Jordan gets paid to mow his neighbor's lawn. For every week that the mows the lawn, he earns $20. Write a rule as an algebraic expression to model the relationship

Sal is tiling his entryway. the floor plan is drawn on a unit grid. each unit length represents 1 foot. tile costs $1.35 per square foot. how much will sal pay to tile his entryway? round your answer to the nearest cent.

Which statement accurately explains whether a reflection over the y axis and a 270° counterclockwise rotation would map figure acb onto itself?

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?