Answer:
28.26
Step-by-step explanation:
Area of a circle is pi * radius squared
The diameter is 6, so the radius is 3
pi * 3^2 = 3.14 * 9 = 28.26
x+3-5 i think
"and" means add so x+3 and subtract 5
n=-13, n=12
280 dollars a day i.belive