I think it is the first and third one
Answer:
selling price$840
it's a loss.
Step-by-step explanation:
cost price = 28× 30 = $840
selling prince =25×28=$700
since cost price is bigger than selling price, it's a loss.
Coplanar means that points lie in the same plane. Since A, E, and D all lie on the back wall, they are coplanar.
whats the equation?
i need the equation in order to solve for x
