Elementary algebra 1/4 divided by 3 equals

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

On a piece of paper graph f(x)=5•(0.4)^x

What are “like terms”? why can we only add like terms?