Answer:
D
Step-by-step explanation:
1. calculate the expression
2.multiple reorder
3.remove parenthesis
x^(3)+5x^(2)-8x-48=0
a. irrational numbers
This is because irrational numbers are number like pi and non perfect square roots, etc
I really dont know
Circumference is 2piR =31.4
Area is pir^2=78.5
your answer is 75.4
