Cell phone plan a costs $70 per month and comes with a free $500 phone. cell phone b costs $50 peronth but does not come with a phone. if you buy the $500 phone and choose plan b, how many months is it until your cost is the same as plan a's?

Identify whether the figure has plane symmetry, symmetry about an axis, or neither.

What is the multiplicative rate of change of the exponential function shown on the graph?

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.