1st step is to find the radius, then substitute into the formula for area of a circle

to find the radius, just halve the diameter
The equation is 2(3.14)(11.5) because 11.5 is half of 23
they multiply and you get: 72.22
Hope this helps! :D
ANSWER
A (-∞,-2)
B (0,4).
EXPLANATION
The portion of the graph that is above the x-axis is considered positive.
From the graph the curve is above the x-axis on the interval
(-∞,-2) and (0,4).
The first and second options are correct.
The answer is p x q to the 9th power or the first answer.