Answer:
it's the correct dormain is option a
Answer:
112.5
Step-by-step explanation:
you would then cross multiply. 90 x 100 and 80 x ?
you will then have 9000 = 80?
divide 9000 by 80 and you will get ? = 112.5
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4(2x-7)=8x-28
4(-4x+18)=-16x+72
(8x-28)-(-16x+73)
24x+45
I think its 15+y or 15y im not surw