Answer:
x^4 -y^4 +6x^2y +9y^2
Step-by-step explanation:
Since 2.20 lb is equal to 1 kg then 14 kg is equal to 30.8 lb
Answer: x = - 4
Step-by-step explanation:
7-2x=1
PEMDAS
so add 7 to both sides
-2x=8
divide by -2 from both sides
x=-4
You cant have -5 mi, the distance doesn't change. It is still 5 mi from his house to your house and vice versa.