Li buys supplies so he can make and sell key chains. He begins to make a profit only
after he sells 4 key chains. What point on the graph makes the most sense in this situation?

The weight of an object in a particular scale is 175.2 lbs. the measured weight may vary from the actual weight by at most 0.1 lbs. what is the range of actual weights of the object

God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.

Ihonestly have no clue if it's each or none.