Question: 1. Solve each system of equations: 15, a 2. + 3? + 4? = 3 4: + 6? + 8? = 4 5. + :-.

1. Solve each system of equations: 15, a 2. + 3? + 4? = 3 4: + 6? + 8? = 4 5. + :-. =1 b. (+ ?+!=30 ? + 7 - ? = 98 ? - !+?=10 2. Determine the distance from the point a; -- _, 1 1) to the line " : 3,V - 1, + .1, 1, 2) :ER. What are . . coordinates of the point on th line that produce the shortest distance? [5] 3. a. Determine the equation of the line of intersection L between the planes 71: 2x + 3y - z = 3 and #2: -x + y + z =1. b. Determine the point of intersection between L and the xz-plane.

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