The first thing you need to do is make your denominator same so try doing that and I'll finish it off for you

3/6 in the smallest fraction, otherwise known as simplest form, is
1/2.
72/8 = 9
“/“ means division by the way.
<span>–10, –7.5, –5, –2.5, …
Is defined by the formula because the next term can be obtained by adding 2.5 to the current one.</span>
No, his bpm is too high, the average heart will go about 217-227.5 in a span of 3 1/2 min, and his is about 15.75 to high, (his bpm is 68 while it should be 62-65)