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Find b angle

Which of the following is true for the relation f(x)=2x^2+1

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.