Why is 10 to the power of 15/ 10 to the power of 14 equal to 10 to the power of 11

Which shows the graph of the solution set of 3y – 2x > –18?

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air

For which pairs of functions is (f•g)(x)=12x? f(x)=3-4x and g(x)=16x-3 f(x)=6x2 and g(x)= 2/x f(x)= and g(x) = 144x f(x)=4x and g(x) =3x