Which symptom is the main indication that a person is having a heart attack? shortness of breath

sudden pressure or pain in the chest

sore arms

vomiting

Sudden pressure or pain in the chest

Step-by-step explanation:

The main symptom of the indication that a person is having a heart attack is that the person feels discomfort or heaviness in the center of the chest. Some other symptoms can be unusual fatigue, shortness of breath, nausea, cold sweats, or indigestion.

Hence, the correct option is (b) "sudden pressure or pain in the chest".

if you mean

then it's c. 8, -7/3

but if you mean

then it is

gregory's graph is incorrect because it shows 2 inches of growth for each week when it should show 0.75 inches of growth each week.