Well the may not be the same by comparing the angels and the area an perimeter and shape<span />
Simply add -560 and -750 (remember same sides add and keep, different signs subtract) you should get -1310
There are two variables here, which are time (minutes) and the number of beats, and they both have a relationship (68 beats in one minute), therefore it is an example of a unit rate
Y=2x-1 i think that would be your answer.
