Three packages of chicken and four cases of barbecue sauce cost $40. Five packages of chicken and two cases of barbecue sauce cost $34. What is the cost of one package of chicken and one case of barbecue sauce?

Use the x-intercept method to find all real solutions of the equation.x^3-10x^2+27x-18=0

Question part points submissions used suppose that 100 lottery tickets are given out in sequence to the first 100 guests to arrive at a party. of these 100 tickets, only 12 are winning tickets. the generalized pigeonhole principle guarantees that there must be a streak of at least l losing tickets in a row. find l.

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?