Answer:
The area of this park is 130.60 square miles.
Step-by-step explanation:
Given : The scale of a certain map is
inch = 16 miles. A square park is represented on the map by a square with side length
inch.
To find : What is the actual area of this park?
Solution :
The scale of a certain map is
inch = 16 miles.
Let the side length of
inch = x miles.
So, 




The side length of a square is 11.428 miles.
The area of the square is
.


To nearest hundredth,
The area of this park is 130.60 square miles.
Gosh, when I saw that my mind went blank
Answer:
2
Step-by-step explanation:
From the graph, we obtain the trigonometric function as:

The corresponding cosine function have equation.

This function is of the form: 
where
is the amplitude.
Therefore the amplitude is |2|=2
The third choice is correct
Answer:
16.5+13.6+12.4.17.7= 60.2
60.2÷4 =15.05