Answer:
B
Step-by-step explanation:
2.3 is being cancelled out.
Well idk what the numbers are, but the formula to find the are is 3.14(pi) x r^2
Answer:
Given equation: 
when we complete the square , we take half of the value of 8 , then square it, and added to the left sides, we get;

∵8 is the value 
Notice that, we add this both sides so that it maintains the equality.
then;

[
]
Simplify:

The number must be added to complete the square is, 
Step-by-step explanation:
(-3y^2+24y)(-6y^2-3y)
open the bracket and collect the like terms
-3y^2-6y^2+24y-3y
-9y^2+21y
Answer:
subtotal: $65.00
8% sales tax: $5.20
total: $70.20
Step-by-step explanation: