WILL GIVE BRAINLIEST! Solve. Use the discount equation
S = R − rR,
where S is the sale price, R is the regular price, and r is the discount rate.

A battery with a discount price of $68 is on sale for 28% off the regular price. Find the regular price. Round to the nearest cent.
$

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.