What is y^2+2xy/2xy I don't know how to work it out. can somebody help please?

What is the arc length when θ =pi over 3 and the radius is 5 cm? (5 points) 5 pi over 3 cm 10 pi over 3 cm 16 pi over 3 cm pi over 3 cm

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.