In 1990 the average school lunch cost was
$150 and costs $2.85 more today. How
much does the average school lunch cost
Variable:
Equation:

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.

Find the distance between the point (-3,-4), and (see the picture below)

Can someone show me step by step how to do this?