HELP DUE AT 3:00 PM NEED TO HAVE WORK

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

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles

The acceleration of an object due to gravity is 32 feet per second squared.what is acceleration due to gravity in inches per second squared?