Find the area of the triangle below.
Be sure to include the correct unit in your answer.
15 cm
6 cm
21 cm

most likely linear (proportionate)

step-by-step explanation:

as time increases heart rate increases

i think you would have to divide the money he had saved, which is $2,000 by the time he plans on exercising which is 40 hours, and the answer you get should tell you the answer to your question.