Answer:

Step-by-step explanation:
Given
See attachment for ski trails
Required
Total length of
ski trails
From the attached figure, there are 3 skis with length 
So:
The total length is:

Express fraction as improper fraction




X=3
LOM and KOL are equivalent, so the equation is 43=6x+25 :)
The answer is z=2m+3 so the first one is right
Answer: No
Step-by-step explanation: If it is talking about the reciprocal then yes. Reciprocal is the opposite of your number.
Example: -4 IS 4 reciprocal.
Answer:
AB = 10
Step-by-step explanation:
Use the distance formula: √(12 - 18)^2 + (1 - 9)^2
√36 + 64
10