Answer:
C. -24
Step-by-step explanation:
Hello!
To solve this we have to follow the order of PEMDAS
Parenthesis, exponents, multiplication and division, addition and subtraction

Parenthesis first

Exponents next
21 + 36 - 27 * 3
Multiplication and division from left to right
21 + 36 - 81
Addition and subtraction from left to right
57 - 81 = -24
The answer is C.-24
Hope this helps!
V=πr^2h
V= volume, r=radius, and h=height
Plug in what you know.
1,728= 3.14*r^2*22
Combine like terms.
1,728= 69.08*r^2
Divide both sides by 69.08.
25. 0144759.... Round down to 25.
25=r^2
The square root of 25.
r=5
The radius is about 5 centimeters.
I hope this helps!
~kaikers
-30a^5b+12a^4b^3+16a^3b^2-4a^2b^4-2ab^3
Answer:
Electric TV, Airplane, Refrigerator, Computer, Steel
Step-by-step explanation:
Answer:
"input" is x and "output" is y
y= -2(3) +8
y= -6 +8
y= 2
your answer would be 2