X=2 because 3 times 2 is 6 and then you add 6 and 7 together and get 13.
Answer:
Step-by-step explanation:
-4 is really -1 * 4
-4² = -1 * 4²
-4² = -1 * 16
-4² = -16
Use parenthesis to square
(-1 * 4)² = (-4)²
(-4)² = 16
We use the formula
where d is distance, s is speed and t is time.


Therefore, a car would tracel 480 km.