Ack took a test and got 13 out of 17 points. he took a make-up test and got 12 out of 15 points. the percent of increase in jack's score is about 3.5% 4.6% 5.9% 6.7%

Use the graph of the sine function y=2sinθ shown below

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

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.