Answer:
Mason recieved 15 points for answering the question correctly so that means that he had -15 points before. The points would be at -15 and 0.
Answer:
450.4
Step-by-step explanation:
Answer:
9 and 15
Step-by-step explanation:
9 10 11 12 13 14 15
For this case we must resolve the following inequality:

We apply distributive property to the terms within parentheses:

We add similar terms from the left side of the equation:

We subtract 1 from both sides of the inequality:

We divide between -2 on both sides taking into account that the sense of inequality changes:

Answer:
