80 students each study one of three languages. 31 study french. 28 study German. 21 study Spanish. One student is to picked at random Write down the probability that the student picked french

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

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet