# math 1A

posted by stephanee

hey im having trouble with these math problem .
if a=2 and d=7
6d-3a =?
how do you solve and get the answer ?

1. Ms. Sue

6d-3a =?

6(7) - 3(2) =

42 - 6 = 36

2. Christina

ln(a+b) + ln(a-b) -2ln c

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