Aradio station gave away concert tickets every hour yesterday. at the end of the second hour, the station had 638 tickets left. at the end of the sixth hour, the station had 522 tickets left. write an equation in standard form that expresses the number of tickets left at the radio station, y, as a function of the number of hours past, x. a. 29x - y = -348 b. 29x + y = 348 c. 29x - y = 696 d. 29x + y = 696

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables