SD¯¯¯¯¯ and SG¯¯¯¯¯ are tangent to ⊙ K. Identify SG.
Please help!!
The figure shows a circle centered at point K. Segments S D and S G extend from one point S external to the circle. The length of segment S D is 5 x plus 18 units. The length of segment S G is 8 x minus 9 units.

Answers:
72
63
45
9

Find the missing factor. 7s2 + 25s + 12 = (s + 3)( ).

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Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x