A computer repair service charges $50 for diagnosis and $35 per hour for repairs. Let x be
the number of hours it takes to repair a
computer. Let y be the total cost for repairs.

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.

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.