Plz guys❤️❤️:) social help

Astitch in time saves nine. a penny saved is a penny earned. these sentences similar in meaning opposite in meaning neither the same nor the opposite

Which activity is an economic activity

Can someone me plz, i need it asap. you can do as much or little as you want. i’d rather have some answered than nothing. questions(16-23-25-27-29) doesn’t need to be done. {30 points}