Answer:
Step-by-step explanation:
d and r are the diameter and radius, respectively.
d = 8 units
r = 8/2 = 4 units
area = πr² = 16π square units.
Answer:
i think its rational.
Step-by-step explanation:
It is a function. Every x value is different.
Answer:
this only goes to the thousanths.
Step-by-step explanation:
Answer:
0
Step-by-step explanation:
The opposite of 12 is -12, and 12+(-12)=12-12, or 0.
