Given the equation 4x + 2y = 9, which equation below would cause an inconsistent-independent system? (2 points) a
6x + 12y = 13

b
2x + y = −6

c
x − 2y = 7

d
8x − 4y = −5

Arestaurant offers delivery for their pizzas. the total cost the customer pays is the price of the pizzas, plus a delivery fee. one customer pays $23 to have 2 pizzas delivered. another customer pays $59 for 6 pizzas. how many pizzas are delivered to a customer who pays $86?