Reagan surveyed a number of her classmates about what time they usually go to bed. of the fifteen classmates she asked, nine said 10 p. m. what percent of the students is this?

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 between a regular hexagon with sides of 6" and its inscribed circle.

Suppose the equation of a line is 2x − 4y = − 8. which coordinate pair represents the y-intercept?