Tracy goes on a 3 day and night school band trip. there is no cost for travel and each band member only pays half the cost of the hotel room. however, each person is responsible for the cost of their own meals. his portion of the hotel bill is $49 per night and tracy leaves a 10% tip for the maid service. before tax, tracy spends $32 per day on eating out plus 15% of this amount in tips. if tracy spends a total of $280.74 on the band trip, what percent tax was tracy charged on his food? a. 6% b. 7% c. 8% d. 9% select the best answer from the choices provided a b c d

What is the slope of any line parallel to the line 8x+9y=3 in the standard (x,y) coordinate plane?

Exclude leap years from the following calculations. (a) compute the probability that a randomly selected person does not have a birthday on october 4. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability that a randomly selected person does not have a birthday on the 1st day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability that a randomly selected person does not have a birthday on the 30th day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (d) compute the probability that a randomly selected person was not born in january. (type an integer or a decimal rounded to three decimal places as needed.)

The table showed price paid per concert ticket on a popular online auction site. what was the average price paid per ticket