I have answered your question in the image above I hope this helps.
Answer:
c
Step-by-step explanation:
dont trust me but it seems like c
Common factors are numbers that all the numbers in question can be divided by and the result will be an integer.
Factors of 15 are 1,3,5 and 15
Factors of 45 are 1,3,5,9,15,45
Factors of 90 are 1,2,3,5,6,9,10,15,18, 30,45,90
So common factors (that they all have) are 1,3,5 and 15
Answer:
-600
Step-by-step explanation:
Conventionally, positive is up, and the surface is taken to be the reference point. 600 ft below the reference level can be represented by -600.