Answer:

Step-by-step explanation:
For
, there are two possible cases:

Solving for both cases, we get:

Here, we are required to determine the solution to the equation: 13.7y = 6.2y + 30?
The solution to the equation is y = 7.5
The solution is thus,
- 13.7y = 6.2y + 30
- 13.7y - 6.2y = 30
- 7.5y = 30
Therefore, y = 30/7.5 = 4
Therefore, y = 4 is the solution to the equation.
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Answer:
0
Step-by-step explanation:
21(3) +2(7) - 11(7) because the absolute value of -11 is 11
63+14-77
=0
Only figure C is a regular polygon since it has all sides congruent and all angles congruent.
Divide 56 by 2 and you get 28,therefore 28 chips per box