Ray AD, since D is at 105°
Answer for 1 & 3 : -x(1-5y) / (5x-2y)(25x^2+10xy+4y^2)
If you did 9 x 6 stamps you would only need 2 x 7 stamps and you would have 2 cents left over
Answer:
x=12
Step-by-step explanation:
3x-6=30
plus 6 both sides
3x=36
divide 3 both sides
x=12