Answer:
2(x^2)-1
Step-by-step explanation:
The square of a number is just the number squared. We don't know what the number is so I will just say it is x. So we have 2 times x^2. Then we have to minus 1 from that. So 2(x^2)-1.
Hope this helps! :D
Step1) divide 15 by 5 and you will get 3.
Step2) to check your answer you will have to times 3 by 5 and you will get 15.
Answer: Mark was going a speed of 3 meters per second.
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the length of a paper clip