1-(-4)^2
1-(-4 times -4)
1-(16)
1-16
-15
Hi, this is the notation for inclusion of all real
numbers.

We can also state numbers which are positive or negative with a sign on top of the R notation like so:
Answer:
CAB
Step-by-step explanation:
Angle CAB and Angle FAB together make 180 degrees(straight angle) . A supplementary angles equal to 180 degrees.
A. You need to compare 2/5, 1/2 and 3/4
2/5= .4
1/2= .5
3/4=.75
Therefore the bucket that is 2/5 full is less than 1/2 full
Your 3rd option, or (-6,-3,0,3,6) would be the answer