Does anyone know the answer???

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 set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8