Answer:
Step-by-step explanation:
...;3
Answer:
3
Step-by-step explanation:
hope it is right and is helpful
By the Pythagorean theorem,

Answer:
C) Tom did not distribute to both terms in parentheses.
Step-by-step explanation:
Addition within a paranthesis has a distributive property to the multiplier outside the paranthesis. Ignoring this will lead to a wrong value for the operation.