You earn $3 an hour as a waitress. after working 3 hours, you earn $12, $5, and $7 in tips. how much money did you earn in total? explain how you found your answer. whats the hidden question in this?

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.

Select the point that is a solution to the system of inequalities. y< =-x+3 y=x^(2)-3x