Answer:
Answer is b or 10.
Step-by-step explanation:
The reason for this is that you will just plug in all the answers in x and the answer has to match 15.
So...
2(10) - 5 = 15
15 = 15
This is true so the answer is 10.
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Answer:
Q(-10) = 299
Step-by-step explanation:


(-10 to the second power is 100 (negative times a negative equals a positive)
3 times 100 equal 300

Answer:
2
Step-by-step explanation:
12/24 simplifies to 1/2, seeing as 12 is half of 24. :) Your answer is C.