Geometry test, you only have to put the correct letter don’t worry about typing out the whole answer

What is the percent of increase for a population that changed from 438,000 to 561,000

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

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?