Answer:
Step-by-step explanation:
Radius of circle (r) = 18/2 = 9 ft
Central angle = 180° - 30° = 150°

Hello!
The equation that models the money Tara owes is 1250= 80x.
I hope it helps!
The correct answer is letter d.
The reason is because of what each of these statements represent in math.
A number directly outside of a. parentheses means that we have that many groups of everything inside of the parentheses.
9(y + 3) means we have 9 groups of y and 9 groups of 3. This is the same as saying 9y + 27 or 27 + 9y.
Answer:

Step-by-step explanation:
I am assuming that you are asking what is [x] - 5 if f(86).
When you have this kind of question, what you do is to substitute the variable inside the parenthesis, so like what is says, f(x). If the question replaces the variable x with 86, that means you input the number into the equation.
So [x] - 5, if f(86).
Substitute:
86 - 5
