Answer:
TNX for da points
Step-by-step explanation:
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For these problems you have to use PEMDAS so for problem 15 you would do the parentheses first, (21-3) you get 18 and then exponents, 3^2, you get 9, no multiplication but there is division so take your answers, 18 and 9 and divide them, you get 2, so the answer to 15 is 2.
1 DOC
2 BOC
3 EOC
4 AOD
5 AOC
Answer:
b
Step-by-step explanation:
hgvfigjl
Answer:
i thinks the answer is the fourth, which an= 3-2(n-1)