Which is the completely factored form of 12x^4 + 39x^3 + 9x^2? O 3x²(x – 3)(4x - 1)
O 3x²(x + 3)(4x + 1)
O 3x(x + 3)(4x + 1)
O 3x(x - 3)(4x + 1)

What is the value of x? enter your answer in the box. photo attached.

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year

Maria found the least common multiple of 6 and 15. her work is shown below. multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, . . multiples of 15: 15, 30, 45, 60, . . the least common multiple is 60. what is maria's error?