2) The school that Willie goes to is selling tickets to a play. On the first day of ticket sales the school sold 8 adult tickets and 5 child tickets for a total of $170. The school took in $200 on the
second day by selling 8 adult tickets and 8 child tickets. Find the price of an adult ticket and the
price of a child ticket.

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?

4+(2+x) can you me solve this problem

An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.