Answer if D hope it helps!
<u>Answer:</u>


<u>Step-by-step explanation:</u>

First set the equation to 0


Second, get the 12 on the right side of the equal sign by adding a -12 to each side



Square root both sides of the equal sign.


Take the square root on left sides of the equal sign.


Take the square root on the right side of the equal sign. Remember 



<u>AND</u>

Answer:
B 244
Step-by-step explanation:
6^3 +7*4
PEMDAS says exponents first
216 + 7*4
Then multiply and divide
216 +28
Now we add and subtract
244
24 h in 1 day
just divide the hours by 24
168 : 24 = 7
Answer:16x-4. You add all the numbers with common terms first, such as all the xs together. Then you add all the numbers without an x in front and tada!
Step-by-step explanation:Above