Answer:The answer is A, 15 I believe if i did the math right.
Step-by-step explanation: First you take the equation: f(x)= 0.86x-0.09
Then you plug in x witch in this case is 18 so f(18)=0.86(18)-0.09= 15.39 So round to the nearest whole number and you get 15.
Its easy All u got to do is use times then do sub then put it in the boxes That's how u will find you "plus do your best try and try"
Answer:
223.2725
Step-by-step explanation:
223.2725
2
3x. + 63x + 9x + 189
Step-by-step explanation:
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