Erin had $15 when she went to the shore. She paid $6.94 for her items and when she got her change, she had 9.94$ left. Is this the correct amount? How much should Erin have left?

When can u say there is no solution for a system of linear inequalities? explain your answer and show with a system and graph

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

An internet company charges $8.95 per month for the first 3 months that it hosts your web site. then the company charges $11.95 per month for web hosting. how much money, in dollars, will the company charge for 8 months of web hosting?