Answer:
The Subtotal cost of all the cakes before tax and delivery
Step-by-step explanation:
(21x+8.25y)
21 is the price of 1 large cake and X is the number of cakes they want to purchase not counting tax and delivery fee.
8.25 is the price of 1 small cake and Y is the number of cakes they want to purchase not counting tax and delivery fee.
Answer:
A
Step-by-step explanation:
sorry I don't kwon how to put it in, in explaination
It's the smallest value in this equation which should at x=-10, the equation is x=-b/(2a)
it's A
Step-by-step explanation:
describes 55 per unit/the hour