AB top side = 7x + 4 and BC right side = 3x + 20. What is DC diaganol?

The sum of two numbers is 12 and their difference is 18 what are the two numbers

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.

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers