11a+9=4a+30
11a-4a=30-9
7a=21
a=3
Answer:
To decrease workload of the heart
.
Explanation:
These blockers are used in the treatment of CAD to decrease the myocardial oxygen by reducing heart rate and workload of the heart.
Nitrates are used for vasodilation.
Anti-lipid drugs are used to decrease homocysteine levels.
ACE inhibitors inhibit the conversion of angiotensin.
Answer:
I can not see the picture?