Question

Please help me im having trouble but my teacher wont give out awnsers

Answer 1

Answer: A

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

Answer 2

A. 0.75h

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.