Answer:
B
Step-by-step explanation:
Hope this helps! have a great day!
6feet by 5feet by 4feet
7feet by 6feet by 4feet
8feet by 3feet by 7feet
288 will be ur ans
1440 x 80/100
=1152
1440-1152
=288
B(2,3),C(2,-3)
On y-axis symmetry有手就行