The school that Kathryn goes to is selling tickets to a choral performance. On the first day of ticket sales the school sold 10 senior citizen tickets and 8 child tickets for a total of $154. The
school took in $167 on the second day by selling 11 senior citizen tickets and 8 child tickets.
Find the price of a senior citizen ticket and the price of a child ticket.

The frequency table shows a set of data collected by a doctor for adult patients who were diagnosed with a strain of influenza. patients with influenza age range number of sick patients 25 to 29 30 to 34 35 to 39 40 to 45 which dot plot could represent the same data as the frequency table? patients with flu

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

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