What's the answers for this problem .) 5a + 3(6 + 7a)

Use set builder notation to represent the following set: { -3, -2, -1, 0}

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

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?