1. [-/1 Points] DETAILS MY NOTES WEBASSIGNIIALG2 16.5.004B. 0/3 Submissions Used ASK YOUR TEACHER Solve the system of three linear equations by the method of elimination (also called Gaussian elimination). (If there is no solution, enter NO SOLUTION. If there are infinitely many solutions, enter INFINITELY MANY.) {x. + z = 7 y + z = 9 x + y = 0 (x, y, z) = Submit Answer 2. [-/1 Points] DETAILS MY NOTES 0/3 Submissions Used ASK YOUR TEACHER Solve the system of three linear equations by the method of elimination (also called Gaussian elimination). (If there is no solution, enter NO SOLUTION. If there are infinitely many solutions, express x and y in terms of z.) x + 2y + Z = 8 3y3z12 y - z = 4 (x, y, z) = Submit Answer 3. [-/2 Points] DETAILS MY NOTES WEBASSIGNIIALG2 16.7.006B. 0/3 Submissions Used ASK YOUR TEACHER Write and solve the system of linear equations described by the application and then answer the question. One hundred sixty feet of fencing encloses a rectangular garden on three sides. One side of the garden is the side of a barn and requires no fencing. The longer side is parallel to the barn. If the length of the longer side of the rectangle is twice the width, what are the dimensions of the garden? length width Submit Answer ft ft 4. [-/3 Points] DETAILS MY NOTES 0/3 Submissions Used ASK YOUR TEACHER Define your variables, write a system of equations, use your calculator to solve the system of equations and answer the problem. A grocer sells milk chocolate at $2.90 per pound, dark chocolate at $4.80 per pound, and dark chocolate with almonds at $5.50 per pound. He wants to make a mixture of 50 pounds of mixed chocolates to sell at $4.58 per pound. The mixture is to contain as many pounds of dark chocolate with almonds as milk chocolate and dark chocolate combined. How many pounds of each type must he use in this mixture? amount of milk chocolate lbs amount of dark chocolate lbs amount of dark chocolate with almonds lbs Submit Answer 5. [-/1 Points] DETAILS MY NOTES OSPRECALC1 9.4.212. 0/3 Submissions Used ASK YOUR TEACHER Find the partial fraction decomposition of the expression with a denominator containing nonrepeating linear factors. 3x105 x22x35 Submit Answer