You choose a marble at random from a bag containing eight brown marbles, six yellow marbles, and one purple marble. you replace the marble and then choose again. find the probability

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 the value of x that will make l ll m

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?