In the Valley School District, the final grades are rounded to the nearest 1
10
before they are reported.
If Jason's report card grade for his math class is an 87.5, his actual math grade falls within what range of numbers?

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.

In a column proof the right column states your reasons