Answer:
a person can work out 50% of the maximum (50% of 194 is 97) and 85% of the maximum (85% of 194 is 164.9). This means that the target heart rate for a 20-year-old is approximately 97–165 bpm.
Step-by-step explanation:
so I'd say 21
B(7,10)
oh yeah thats the 3rd one
2 5 7
hopefully it helps sorry if it wrong
-9/13
The formula for slope is [ y2-y1/x2-x1 ].
10-(-3)/-5-4
13/-9
Best of Luck!