Answer: Choice D) 
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Work Shown:

Explanation:
First I subtracted y/b from both sides. Then I multiplied both sides by 'a' to fully isolate x. You can optionally distribute the 'a' through to each term inside the parenthesis, but your teacher has chosen not to do this.
Answer:
you can use the calculator very nice
Answer:
6/3 or 2 (you should probably write 2 though)
(there’s a couple notes in the pic too that will help you with slopes)
Step-by-step explanation:
mp=$30
%D=10%=%D=D/M.p×100
10%=D/30$×100=100D=10
DISCOUNT =$3
S.P=$27×6÷100=$1.62+27
<h3> =$28.62</h3>
She ran for 2 and a half hours
12.5/5=2.5