Subtract $145-$53 and you will get 92.
Then divide 92 by 23 and you get 4.
The answer is 4 because when you subract 53 from 145 you are seeing how much you paid without the fee.
B) An example..... It would be better to explain and give an example to what your trying to say.
Answer:
Base = 353.55 sq cm
Step-by-step explanation:
10 by 10 triangle = 45 45 90 traingle
hypotenuse = 10√2
A = 10√2 by 25
A triangle that has 2 sides congruent is called an isosceles triangle.
A triangle that has all 3 sides congruent is called an equilateral triangle.
I have attached a picture below which will help you.