Can blood pressure indicate heart attack and bleed on the brain if so would it be high or low?

No, not reliably: Consequences of heart disease or stroke on blood pressure and visa versa, the effect of blood pressure on the heart or brain, is not uniform. Clearly markedly elevated blood pressure is a risk for stroke and increases the work on the heart, but patients with normal blood pressure can still experience a stroke or have a heart attack. There are many other factors to consider