Mr. Kramer goes with his family to buy a chocolate at the store. The bar is very big, so they will only share 1/4 of it for today. He has a wife
and 2 kids. With him it is a total of 4 people. Use a model to solve
this problem.

What are the solutions of the equation? 5z^2 + 9z - 2 = 0 a. 1, -2 b. 1, 2 c. 1/5, -2 d. 1/5, 2

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

James wants to promote his band on the internet. site a offers website hosting for $4.95 per month with a $49.95 startup fee. site b offers website hosting for $9.95 per month with no startup fee. for how many months would james need to keep the website for site a to be a better choice than site b?