Based on the following data would Ann and Carl Wilton receive a refund or or additional

Which letters from the table represent like terms? a and b b and c a and d b and d

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

Consider the input and output values for f(x) = 2x - 3 and g(x) = 2x + 7. what is a reasonable explanation for different rules with different input values producing the same sequence?