PLEAASE BRO HELP Arianna measured a line to be 13.8 inches long. If the actual length of the line is 14.3 inches, then what was the percent error of the measurement, to the nearest tenth of a percent?

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

Write an inequality for this sentence the quotient of a number and -5 increased by 4 is at most 8