» At the zoo gift shop, posters of peacocks cost $9 and posters of tamarins cost $3. Mrs.
Becker bought 4 posters and spent $30. How many of each type of poster did she buy?
posters of peacocks
posters of tamarins
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You are measuring the dimensions of the floor in your bedroom because you are planning to buy new carpet. which unit of measure is the most appropriate to use in this situation?

Can someone me i’m confused. will give brainliest and a whole bunch of points

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics