The student officers are buying packs of streamers and balloons to decorate for a school dance. Packs of balloons cost $3.50 and packs of streamers cost $2. If the student officers bought a total of 12 packs of decorations and spent $31.50, how many packs of balloons did they buy? How many packs of streamers did they buy? Write the solution in a complete sentence.

What is the probability of rolling a single die greater than 4

Ateam has p points. p = 3w + d w = wins d = draws a) a football team has 5 wins and 3 draws. how many points does the team have?

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.