1. Answer is 4.5 km / hr.
... because you divide the time but the distance so for this question you divide 22.5 by 5 and that's your answer. do the same for every question! hope this helps.
Answer:

Step-by-step explanation:
Given

Required
Evaluate 
We have:

Apply law of logarithm

Express 9 as 3^2

Evaluate the exponents

.
So:


Substitute 


Answer:
Option B.
Step-by-step explanation:
The given inequalities are


We need to find the ordered pair which makes both inequalities true.
Check the above inequalities for each given ordered pair.
For (-3,5),
(False)
For (-2,2),
(True)
(True)
So, both inequalities are true for (-2,2). Option B is correct.
For (-1,-3),
(False)
For (0,-1),
(False)
Both inequalities are not true for (-3,5), (-1,-3) and (0,-1).
Therefore, the correct option is B.
Answer:
12.5663706144
If necessary, and if your system/teacher allows it, just keep it down to 1-3 decimals.
Hope I could help! :D
Answer:
5
Step-by-step explanation: