Tom dose not really want to give away any blue marbles and would like to change the probability that he chooses a blue marble to 1/10 how many marbles that are not blue could he add to the bag so that probability of choosing a blue marble becomes 1/10

Aright triangle has an area of 18 square inches. b: if the triangle is not an isosceles triangle, what are all the possible lengths of the legs, if the lengths are whole numbers. answer !

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)