I think it's b I'm not very sure its a little confusing
Angle A = 100 , Angle C = 100 , Angle D =80
Volume is cubed. If the dimensions are doubled, cube the scale factor:
2^3 = 8
The volume will increase by a scale of 8.
The new volume would be 97 x 8 = 776 ft^3
Well there are 12 inches in 1 foot so
12x9=108
so
111-108=3
so
The average length of a female white beaked dolphin is 9 feet and 3 inches.