The graph shows the population of sun dale from 1950 to 2000

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

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

Tan198=asin164=? how to solve this? ?