B(5,1) I’m smart and don’t worry the answer is correct
Answer: The answers are: markup, sales tax, 20% tip and gratuities
Step-by-step explanation: All of them increase the price.
The denominator of the rational expression 600/(x-4) is x-4.
We know x represents Sarah’s average speed. So x-4 will also represents the average speed. And x-4 represents 4 mph less than the average speed of Sarah, x.
Therefore, option a) is correct.
Im pretty sure that the answer to your problem would be
4x^2-11x-3
9 x 6 = 54
54 - 4 = 50
50 + 5 = 55
i think, your question isn't very clear
