Help pleasee want asap

Which statement best describes a square? a. a special rectangle that has four right angles b. a special trapezoid that has four sides of equal length c. a special rectangle that has four sides of equal length d. a special trapezoid that has four right angles

16 more than the product of 5 and p

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10