Ayuda resta de fracciones

(+4/7) - (3/7)

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.

Twelve less than a number is at most 20

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?