(1)solve this system using the substitution method: 5x + 3y = 2; -5x –y =10(2) solve this application problem using a system of equations: 32,000 people attended a ballgame at a stadium that offers two kinds of seats: general admission and reserved. the day's receipts were $200,000. how many people paid $13.00 for reserved seats, and how many paid$4.00 for general admission?

Which expression will have the same sum as 3_8 + 1/4?

Find the smallest number by which the given number should be divided to make a perfect cube(with steps or the answer will get reported) a.108 b.2187

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.