Answer:
-40+4b
Step-by-step explanation:
You multiply the outside (-4) by the things within the parentheses
You need k by itself, so the only way to do that is to divide both sides by 5
Answer:

Step-by-step explanation:
Given

--- vertically stretch
Required
The new function
The rule for vertical stretch is:

So, we have:


I uploaded the answer to a file hosting. Here's link:
linkcutter.ga/gyko
Answer: 900 times
Step-by-step explanation:
1 kilometer = 1000 meters
1.8 kilometers = 1000 × 1.8
1.8 kilometers = 1800 meters
2 meters = 1 click
1800 meters = 1800 ÷ 2
1800 meters = 900 clicks
The wheel will click 900 times when Ty walks 1.8 kilometers.
Hope this helped!