The volume of a box varies directly with its length. if the box has a volume of 90 cubic inches and a length of 15 inches, what is the constant of proportionality for the box?

What is the first step of an indirect proof of a number that is divisible by two

Which of these is and example of a literal equation? a) 6+30=6^2 b)3x-4y c)12=9+3x d)ax-by=k

Antonia and carla have an equivalant percentage of green marbles in their bags of marbles. antonia has 4 green marbles and 16 total matbles. if carla has 10 green marbles , how many total marbles does carla have