The environmental science club is printing T-shirts for its 15 members. The printing company charges a certain amount for each shirt plus a fee of $20 if the T-shirt order cost a total of $162.50, how much does the company charge for each shirt

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Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882