For this case we must resolve the following inequality:

Adding 7 to both sides of the inequality:

Different signs are subtracted and the major sign is placed.

Thus, the solution is given by all the values of "x" less than -5.
The solution set is: (-∞, - 5)
Answer:

See attached image
Answer:
I don't think you typed the full problem, but the answer is either that you do the parenthesis first, or that it adds to 10
Step-by-step explanation:
90,000,000+300000+400000+700000+2000+800+10
M = Undefined (because the line is perfectly vertical)
Well it would actually be 7.2 inches per each piece