Mathematics, 03.10.2021 17:50 raven1619
A large retirement community provides many activities for its residents. The activity director is considering adding a
trivia night on Tuesday evenings if there is enough interest from the residents. To measure interest in the trivia night,
the activity director leaves a printed survey in residents' mailboxes, on which the resident can express whether they
are interested. Of the 68 surveys returned, 55 expressed interest. Which of these describes the type of bias in this
survey and a likely direction of the bias in estimating overall community support for the trivia night?
Answers: 1
Mathematics, 21.06.2019 17:30
Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?
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Mathematics, 21.06.2019 19:00
Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.
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Mathematics, 21.06.2019 20:30
Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?
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