Find the radius of a circle if the circumference is 37.68 inches use pi=3.14

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

If angle b measures 25°, what is the approximate perimeter of the triangle below? 10.3 units 11.8 units 22.1 units 25.2 units

You buy 4 items that cost 2.69 14.45 8.05 13.95 what is the estimated total round to the nearest dollar