Math
posted by Jerald on .
Jennifer's dad built 2 rectangular houses for each of her dogs. The first house had a length of 6 feet and a width of 4 feet. The second house had a length and a width that was 2 feet longer than the first. What was the difference in the perimeter of the two doghouses?
A.20
B.14
C.8
D.28
C?

Right.

Josh rides his dirt bike at the motor cross track every Saturday The track is shaped in the form of 2 equilateral triangles. Each side is 25 yds. If josh rides his bike around the track 3 times how far will he have traveled
A.50
B.450
C.150
D.100
B? 
I'm sorry  but I can't help you with this one. I can't visualize a track shaped in the form of two equilateral triangles.

Okay. Thank you anyway.
Darcie measured an octagon for her class activity and found the perimeter to be 68 in. What was the length of each side of the shape
A.544in
B.8.5in
C.17in
D.5.44in
B? 
Right.