Which set of ordered pairs (x, y) could represent a linear function. Please need help which letter is it

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

Which term applies to agb and dge? a. obtuse b. supplementary c. complementary d. vertical

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.