Please answer this one, I’m in math grade 9 having online classes i need your help for this one. Asap thanksss

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

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities?