What the maximum point for 2 sinX-1

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab

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?

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.