Acustomer placed and order with a bakery for muffins the baker has completed 37.5% of the order after baking 81 muffins how many muffins did the customer order

50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.