I would try Khan Academy. He does very good explainations
Answer:
Answer = 
Step-by-step explanation:
Step 1:-
simplifying 

base are equal powers are added
on simplification 
Answer:
c. 58,000
Step-by-step explanation:
58*1000
Moves the decimal 3 places to the right for the 3 zero's in 1000
58000
Step-by-step explanation:
we can add the fractions 5/12 and 6/12 to make 11/12
9514 1404 393
Answer:
B. both a relation and a function
Step-by-step explanation:
Every linear equation with defined slope is both a relation and a function.
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Only a vertical line of the form x=constant is linear equation that is a relation, but not a function.