On the way to her babysitting job, mary rode her bike for the first mile. she stopped at a traffic light and waited a few minutes for the traffic light to turn green. she then walked her bike across the street and up a short steep hill. finally, she rode the bike at a constant speed for one more mile. if mary created a graph of her time and distance, which statement describes the part of her graph that would show no change in distance? mary used her bike to ride the first mile. mary stopped and waited for the traffic light to turn green. mary walked her bike across the avenue and up a short hill. mary rode her bike at a constant speed for one mile.

Carla was trying to decide what to do saturday evening. she has $100 available to spend for the evening. she has narrowed her choices down to these events: braves game, a concert of an artist she likes, or the georgia aquarium. admission to the braves game is $25, hot dogs cost $10, sodas cost $5. the concert costs $25 for admission, $20 for a souvernir t-shirt, and $10 for a soda. the georgia aquarium has the show of a lifetime with an all you can eat and drink that costs $100. carla does not want to take any driving chances, so in addition to the cost of the aquarium, she will also need to pay for her uber/lyft, which is $15 each way. which option should carla choose if she wants to spend the least? based on that choice, what then is carla's oppotunity cost? fully explain your answer in at least one paragraph.