An automobile achieves a gas mileage of 41.0 mi/gal. How many kilometers can it travel on 1.5 L of gasoline? km

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)

Campus rentals rents 2 and 3 bedrooms apartments for $700 ans $900 a month respectively. last month they had six vacant apartments and reported $4600 in lost rent. how many of each type of apartment were vacant?