The drama department collected receipts for a production of Arabian Nights totaling $5500. The ticket prices were $5 for students, $7 for adults, and $4 for children under 12. Twice

as many adults attended as children, and the number of adults was 20 less than one-half of

the students who attended. Write the augmented matrix.

What is the factored form of the following expressions? d^2 – 13d + 36

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.

The coordinates r(1, -3), s(3, -1) t(5, -7) form what type of polygon? a right triangle an acute triangle an equilateral triangle an obtuse triangle