Which option is an example of an experiment? A. Testing the effectiveness of a new reading program by allowing a
classroom to use it and comparing the results with another classroom that doesn't use it

B. Asking students in a school how much time they spend exercising

C. Measuring the heights of the players on the basketball team

D. Randomly choosing 100 customers and asking them to fill out a questionnaire about the quality of service they received

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

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.

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart