Answer:

Step-by-step explanation:

I am joyous to assist you anytime.
Perform the indicated operation.
-8 + (-4) = -12
Steps:
-8 + ( -4 )
Remove Parenthesis:
( -a ) = -a
-8 - 4
Subtract the numbers:
-8 - 4
= -12
Answer: -8 - 4 = -12
Hope that helps!!!! : )
Answer:
second one (b)
Step-by-step explanation:
The nickel (at the bottom) is increasing at a steady pace. We know this because the line is going in a linear motion (meaning in a straight line). And it is increasing by a steady number (the gradient is 5 grams).
Answer:
is a subset of 
Step-by-step explanation:
Required
Difference between subset and proper subset
To answer this question, I will use the following illustration.



In the above sets, set B is a proper subset of set A because all elements of B can be found in A, but not element of A can be found in B.
Set C is a subset of A because 
Using the above illustration, we have:
and 
is a subset of
, because 5 and 8 are in
but 2 which ca be found in
is not in 
Answer:
No Solution
Step-by-step explanation: