A drummer and a guitarist each wrote songs for their band. The guitarist wrote 8 fewer than twice the number of songs that the drummer wrote. They wrote a total of 46 songs.
Which system of equations models this situation if the drummer wrote d songs and the
guitarist wrote g songs?
F g = 2d 8
g + d = 46

G g = 8 2d
g = 46 d
H d = 2g 8
d = 46 g
J d = 8 2 g
d + g = 46

4+6x-3x^3 in standard form with explanations because i don’t understand

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Factor k2 - 17k + 16. a.(k - 2)(k - 8) b.(k - 1)(k + 16) c.(k - 1)(k - 16)