12+4 =x so you would add 12=4 to get 16. or x=16
Answer: +7
Step-by-step explanation: Since a negative divided
by a negative always equals a positive, (-28) ÷ (-4) = +7
Answer:
is first one and last one
Step-by-step explanation:
You need to find the slope first. (-9,-4). (3,4)
-4-4= -8
-9-3 =-12. Slope is -8/-12 or 8/12 or 2/3
Perpendicular is the negative reciprocal. Or flip over the 2/3 and make it negative.
The answer is - 3/2
