Answer:
Neither
Step-by-step explanation:
5 x -10 = -50
4 x 9 = 36
-50 + 36 = -14 and therefore can not be orthogonal
sqrt(25+16)=sqrt(41)
sqrt(100+81)=sqrt(181)
sqrt(41) x sqrt(181) is not equal to -14 so therefore it is not parallel
So the answer is then neither
Answer:
7
Step-by-step explanation:
also why is 78 there? a factor means in that range
Answer:

Step-by-step explanation:
Use distributive property.

Add 12 and subtract 3x on both sides.

Evaluate.
