Solve the system by substitution. y=-7x^2-9x+6 y=1/2x+11

A. no solution

B. (0,11)

C. (0,11), (2,12)

D. (-4,9), (10,16)

3. (2.56x10^6) x (3.56x10^2) = ? 9.1136x10^12 91.136x10^8 9.1136x10^8 91.136x10^12

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8sin (0.3x - 3) + 74,

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