Answer:
48x-72
Step-by-step explanation:
u multiply 3 by 16x then multiply 3 by 24 and bring down your minus sign
Yes, because the x’s aren’t repeated
60/25 = 12/Y
cross multiply and divide
25 x 12 = 300
300 / 60 = 5
Y = 5 boxes
Answer:


Step-by-step explanation:
We know the definition of both functions:
, and 
A) In order to evaluate what
, let's first investigate what g(-1) is using the definition for this function:

Now let's find what f(2) is using f(x) definition: 
B) In order to evaluate what
, let's first investigate what f(3) is using the definition for this function:

Now let's find what g(7) is using the definition for this function:

Answer:
3hours and 30 minutes moving and 2 and a half hours stationary
Step-by-step explanation:
1 hour + 30 minutes + 1 hour + 30 minutes + 30 minutes for moving
1 hour + 1 hour + 30 minutes for stationary.