21,500 is 16.3% of what number?

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)

The total number of dental clinics total for the last 12 months was recorded

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12