The parking lot has a total of 60 cars and trucks. the ratio of cars to trucks is 7: 3. how many cars are in the parking lot? how many trucks are in the parking lot?

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 are the exclude value of mn+3m

Which is the focus of a parabola with equation y2=4x