sometimes it won’t start and clock resets like all power was lost then I can try again and it starts ok. intermittent problem but occuring more frequently.
Have the battery and the charging system tested. Many parts stores will do this free. A “load test” is the only way to determine the true condition of your battery.
If the clock is resetting you’re basically losing all battery power when you turn the key. This could be caused by a near-dead battery, but only a test will tell you.
I agree with mcp, the battery is too old now.