Because they have the same inclination so if we try to draw them on a diagram they will be parallel to each other.
same sigmd add and keep different signs subtract negative and negative make a positive and postive and negative make a negative you see
You can make 18 fruit baskets with 8 apples, 6 oranges, and 5 pears in each
<span>Percent error is the percentage ratio of the observed value and the true value difference over the true value so you don't need plus or minus signs. Thanks!</span>
