The three points give you three equations, which you can solve by your favorite method.
.. 0m +0n +b = 6
.. 1m +0n +b = -3
.. 0m +2n +b = 5
(m, n, b) = (-9, -1/2, 6)
so the equation of the plane can be written as
.. z = -9x -1/2y +6
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In standard form, this would be
.. 18x +y +2z = 12
Nancy: 5 Stan: 10
5 is 5 years
younger then Stan
And 5 is twice as
young as 10
Answer:
1.B 2.D 3.C 4.A
Step-by-step explanation: