6h + 5h - 3j = 11h - 3j (all u can do is combine like terms...if they're not like terms, they cannot be combined)

Recall that


Your sums start at
, so in order to apply these formulas directly, you need to compensate for the missing first two terms:



Answer:
Ella should not have included 5 in absolute value portion of the equation
Step-by-step explanation:
Because -1 is a negative number in order to find the true distance between A and B you have to make it positive.
But, because Ella included 5 in the absolute value portion of the equation it messed up the answer.
There are 160,934.4cm in a mile.
1ft.= 30.48cm
1 mile= 5280ft.
5280tf.(30.48cm)= 160,934.4cm