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ad-work [718]
3 years ago
10

Evaluate -a -8b when a = 9 and b = -3 someone please help quick!!

Mathematics
2 answers:
OverLord2011 [107]3 years ago
8 0

Answer:

15

Step-by-step explanation:

    -a -8b  

  so you replace  alphabets with the figures given

  =  -9 - 8(-3)

   when you multiply two negatives they give you a positive hence;

    = -9 +24

the answer is

    = 15

 

ollegr [7]3 years ago
4 0

Answer:

15

Step-by-step explanation:

-a -8b = -9 + 24 = 15

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