The formula for findong the area of a circle is

Using that formula, you would do pi(9). After that, multiply pi by 9 and you would get ~28.274. Hope this helps!
Answer:
B
Step-by-step explanation:
Since they have 57 40-ounce water bottles, you need to have 57x40. Since they have 38 20-ounce bottles in stock, you need to have 38x20. Sinc ehte problem is asking for the total ounces in all, you need to add them. We do not need to add parentheses because PEMDAS
So,
57 x 40 + 38 x 20= n
Answer:
The formula for area of a circle is: πr^2r is half the diameter. FE is the diameter: r = 20/2 = 10Area of circle using FE = π10^2 = π * 100
Step-by-step explanation: