Hey there!
the answer is
The Greates Common Factor (GCF) is: 2 x 2 x 2 = 8
thank you
best regards
OFFICIALLYSAVAGE2003
The point-slope formula:

We have a slope m = 2 and point (-8, 2)
Substitute:

Babysitting hours:
tuesday: 6 hours
thursday: 3 hours
saturday: 4 hours
paid $6/hr
total hours:
6+3+4= 13 hours
13*6= $78
Answer choice: B) $78
Finding common denominators allows you to more easily get your answer for the problem. fractions are complex as it is if you have a denominator of 16 and 4 your immediate reaction would be to just subtract the process and answer would be completely wrong.