Area of square = 8^2 = 64
Area of circle = pi x r^2 = 3.1415 x 4^2 = 50.27
64 - 50.27 = 13.73
answer
area inside square but outside circle = 13.7 in^2 (it's C.)
100 dollars should be a one time fee so that has to be added to the equation, and since it is a one time fee it should not have a variable next to it.
It also says that you have to pay 720 dollars per month, so it has to have a variable next to it to show the number of months that she needs to pay that amount of money.
The answer should be D.
y= 720x +100
Answer:
The height of the tree is 16.67 feet.
Step-by-step explanation:
Refering the figure, let the height be "x" feet.
It is evident that triangles ABC and triangle EDC are similar.
(as both man and tree are perpendicular to the ground)
thus, 
hence,
Thus, 
.
