Deshawn pays $8.16 for 12 pounds of sugar, what is the price per pound of sugar

Astudent simplified a rational expression as shown.

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

Which is a true statement comparing the graphs of x^2/6^2-y^2/8^2 = 1 and x^2/8^2-y^2/6^2 the foci of both graphs are the same points. the lengths of both transverse axes are the same. the directrices of = 1 are horizontal while the directrices of = 1 are vertical. the vertices of = 1 are on the y-axis while the vertices of = 1 are on the x-axis.