Matt's Bikes rents bikes for $16 plus $3 per hour. Carlos paid $31 to rent a bike. For how many hours did he rent the bike?

3. solve by graphing: y = 2x + 6 x + y = -3

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

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits