on a given planet, the weight of an object varies directly with the mass of the object. suppose that an object whose mass is 9 kg weighs 54 N. calculate the mass of another object that weighs 24 N​

A80-foot piece of siding is cut into three pieces so that the second piece is four times four times as long as the first piece and the third piece is five times as long as the first piece. if x represents the length of the first piece, find the lengths of all three pieces.

What is the probability of drawing three queens from a standard deck of cards, given that the first card drawn was a queen? assume that the cards are not replaced.

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?