Hello and Good Morning/Afternoon:
<u>Let's take this problem step-by-step</u>:
<u>Let's consider the information given</u>:
- rental price: $30 + $0.30/mile
- total bill for Ken: $55.20
<u>Let's setup an equation for the cost</u>
- set 'x' as number of miles traveled

- set that equal to the total cost or bill and solve

Ken must have traveled 84 miles
<u>Answer: 84 miles</u>
<u></u>
Hope that helps!
#LearnwithBrainly
Answer: 
Step-by-step explanation:
Given
The tower is at a height of 
the angle of depression is 
Suppose the surfer is x ft away from the base of the tower

Therefore, the surfer is at a distance of 19.31 ft from the base of the tower.
About 40 swimmers maybe more
The center is (-2,0)
The radius is -3
Answer:
answer is O
Step-by-step explanation: