Ineed to find the surface area of a prism. which unit of measurement would i use?

a. inches
b. inches squared
c. inches cubed

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

Bernice paid $162 in interest on a loan of $1800 borrowed at 6%. how long did it take her to pay the loan off?

If f(x)=x+7 and g(x)=1/x what is (fog)(x)