B be cause it would be 9n-81 while all the other are 9n-9
Answer from: Quest
6(2x + 5y)6 (2x) = 12x6 (5y) = 30y12x + 30y
Answer from: Quest
y-y1=4(x-x1)
step-by-step explanation:
this is point-slope form since you only have 4 as the slope it goes in place of m
hope this : )
Another question on Mathematics
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Apatient is to take 60 mg of an antibiotic on day 1, take 45mg on days 2 and 3, take 30mg on days 4 and 5 and take 15 mg on days 6 and 7. how many total mg will the patient take?