Solve for x algebraically: 68= 1/5 (20x + 50) + 2

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.

Set up and solve a proportion for the following application problem. if 55 pounds of grass seed cover 404 square feet, how many pounds are needed for 7272 square feet?

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.