Mrs. chan buys a new car for $21,000. she pays a sales tax of $0.06 for every $1. she pays a property tax of $16.80 on every $1,000 of the value. if the property tax is paid once a year, what are the total taxes on the car for the year?

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.