Answer:
Area is = to 1017.88
Circumference is = to 113.1
Step-by-step explanation:
To find the area of a circle use the formula A=πr2
So . . .
A = π18²
A = π324
A = 1017.88
To find the circumfrence of a circle use formula C=2πr
So . . .
C = 2π18
C= 113.1
Hope this helps
Brainliest please!
yes because it passes the vertical line test
Answer: Second option
Step-by-step explanation:
You need to make the multiplication of the function
and the function
. Then:

You need to apply the Distributive property:

Therefore, the domain will be all the number that make the denominator equal to zero.
Then, make the denominator equal to zero and solve for x:

Therefore, the domain is: All real values of x except 
Answer:
The like terms are: {3.2a, 4 1/3a, a} {1, 7}
Simplify: -2.1333333...a + 6
Step-by-step explanation:
Hope this helps!
Answer:
3 weeks for one song
Step-by-step explanation:
The function would be y = 3x + b