You earn 1 point for each correct
response on a multiple choice test
and lose 0.5 point for each incorrect
response. Each question has 4
answer choices.
If a student just guesses, what is
the expected value of the guess?

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?

Over the course of the school year, you keep track of how much snow falls on a given day and whether it was a snow day. your data indicates that of twenty-one days with less than three inches of snow, five were snow days, while of the eight days with more than three inches of snow, six were snow days. if all you know about a day is that it is snowing, what is the probability that it will be a snow day?