Answer:
A. A + B (it'll be negative because they're both negative numbers and adding a negative is the same as subtracting a positive)
B. B - A ( It'll be positive because subtracting a negative is the same as adding a positive, and B is closer to 0 so it's a "bigger" number than A. so, adding A to B will make it positive)
Step-by-step explanation:
The explanations are in parenthesis to the right of the answer. they're kind of confusing, but the answers are correct.
Answer:
5 kilometers south
Step-by-step explanation:
5 kilometers east 5 units right
5 kilometers north 5 units up
5 kilometers west 5 units left
The right and left cancel so we are left 5 units up at this time
we are 5 units north at this time
To get back we must go 5 units down, which is 5 km south
B & C since y is equivalent to the operations on the other side, while there are no operations being performed unto y.
Answer:
look below
Step-by-step explanation:
5d-6*(3cd) = 15cd^2-28cd
Answer: C
Step-by-step explanation: The opposite of a positive integer (18) is -18
Which also means its value is 18
Hope this helps!