Respuesta :

Answer: A

Step-by-step explanation: I just makes since to me. Suck that the teacher wont give you the answer.

fieryanswererft

Answer:

A. 0.75h

Step-by-step explanation:

let the heart rate be h,

then if heart rate increases by 75%,

75% * h

75/100 * h

0.75h

Option A is the correct answer.