Good to hear your you've decided to stay active and be healthy. I would guess you workout every other day, for 3 times a week. For beginners this is good, thought it would be great if you work out for 4-5 times a week to see some gains in strength and muscle. For diet, depend on where you are in your body goals and what you want to achieve. More muscles, means caloric surplus, you need to eat more, with emphasis on more protein, just eat the right amount of carbs for the energy you need for the day, while meaning sure you get daily portion of veggies/greens.