Factor each number into its prime factors
4 = 2*2
42 = 2*3*7
14 = 2*7
The value "2" shows up exactly one time for each list of factorizations. No other number (not 3, nor 7) shows up for all three factorizations.
2
pretty sure 750 each month!
step-by-step explanation:
if you was gonna solve for a, a is a < -12