I think it's something like a mile or so, maybe a mile and a half. Sorry if I'm wrong.
Answer:
C
Step-by-step explanation:
Answer:
D.
Step-by-step explanation:
Hi there! You’re correct.
Twice the difference of nine and a number squared would look like

I hope this helped! :)
Answer:
The dolphin will jump 18 times in 2hours.
Step-by-step explanation:
Find the jumps per hour: 54/6 = 9
^This means that the dolphin jumps 9 times in an hour.
9*2 (hours) = 18
The dolphin will jump 18 times in two hours.
Elimination is used when there is a common factor between the two equations. Substitution is used in cases where finding a common term just isn’t possible, or too complicated.