Need help fast please explain how you did it

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?

Shirley spelled 12 of her 15 spelling words correctly on the test. what percentage did shirley get on the test?

A.)complete this table by reading the values from the graph. estimate any function values that are less than one. x -3 -2 -1 0 1 2 3 exponential function linear function b.)at approximately what values of x do both the linear and exponential functions have the same value for y?