Aboat goes 4 miles upstream in four hours. it returns downstream to the starting point in two hours .the rate of the boat is x. the rate of the river current is y . find x & y miles per hour

Acarnival sold tickets for $1.50 for adults and $1.00 for students. there were 54 tickets sold for a total of $70.50. write a system of equations to represent the number of adult tickets,x, and the number of student tickets,y. find the solution and explain what it means. i'll you if you me

What is the shape of the height and weight distribution

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?