Answer:
a.) i dont know how to write equations
b.) 600 gallons
d.) 9 hours
Step-by-step explanation:
Answer:
C
Step-by-step explanation:
Joseph can buy 12 comic books with $32.40.
x^2 + 6xy + 8y2
4x^2 + 3xy + 2y^2 - 5x^2 + 2xy + 6y^2
= 4x^2 + 3xy + 2y^2 + -5x^2 + 3xy + 6y^2
Combine like terms:
= 4x^2 + 3xy + 2y^2 + -5x^2 + 3xy + 6y^2
= (4x^2 + -5x^2) + (3xy + 3xy) + (2y^2 + 6y^2)
= -x^2 + 6xy + 8y^2
