Answer:
I think is D
Step-by-step explanation:
Answer:
the answer to this problem is
9 - 21v^2 + 21v^2 - 49v^4
9 - 49v^4
Step-by-step explanation:
Answer:
they each hike 2 miles
Step-by-step explanation:
Jeff: 15=1/2
*4 *4
60 min=2 miles
Lisa: 10=1/3
*6 *6
60 = 2