c = 10.8
Step-by-step explanation:
Cross multiply.
5 x c = 5c
6 x 9 = 54
5c = 54
Divide by 5 on both sides.
54/5 = 10.8
a. she will receive a refund of $278.
step-by-step explanation:
trapezoid
first i plotted all my points on a grid graph
i made sure all of them were in the correct quadrant
then i saw it was a trapezoid or a quadrilateral