If 9 pizzas cost $67.50 that means that 1 pizza costs 67.50/9 = $7.5
Answer A is incorrect because of false prize of pizza.
B isn't correct because 1 pizza cost $7,5 and not 7,5 pizzas cost $1
C isn't answer because of both reasons from answer A and answer B
D is the answer because it says that you need to pay $7.5 per pizza.
Answer:
-5
Step-by-step explanation:
+-=-
-4-1=-5
The equation of a circle with center
and radius
is

In your case,

Plug these values into the generic formula and you'll get your equation.
N= 8
b/c if u do it backwards 5*1.6=8- you get 8
and to check 8/1.6=5
so n= 5
hope this helps