Why would a Roth 401(k) investment plan allow you to invest the most amount of money?

According to the number line, what is the distance between points a and b? v ++ + + + + -16 -14 -12 -10 -8 + 6 + 4 + -2 + 0 + 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 o6 units o 7 units 12 units o 14 units

Find the zeros of each function. f(x) = x^2 + 5x - 6

If sina is 4/5 then find the value of sin3a . with explanation.