Answer:

Step-by-step explanation:
Time already spent on the train is at least 5 hours
Since the trip to Fairbanks take 10 hours, we have that, the sum of the number of hours left, h and the time already spent will be equal to 10.

Answer:
the range of the functions is all real numbers less than or equal to 9
Answer:
35
Step-by-step explanation:
35 times 35 = 1225
square root it
√1225
and get
35
Courtney has 56. 3x+8 3(16)+8
Matthew has 16. X
X+3x+8=72
4x+8=72
Sub 8
4x= 64
Divide by 4
X=16