Answer:
Opposite reciprocal; so 2/3 would be -3/2
Step-by-step explanation:
Answer:

Step-by-step explanation:
To solve this problem we need to write the mixed fraction as a fractional number, as follows:


Then, evaluating the expression:
×
=
= 
Answer:
look it up
Step-by-step explanation:
Attached the solution and work.
Answer:
No
Step-by-step explanation:
The closest to that is
32. 47. 56.86
56.86 is not 57, so it is not a pythagorean triple
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