3.7.1
find the slope of the line containing the pair of points.
(-3,-7) and (-6.4)
the slope of the line is
(simplify your answer. type an integer or a fraction.)

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.