A normal distribution has a mean of 300 and a standard deviation of 10. What is the probability that a score lies below 270? 0.15%
99.7%
16%
5%

Can some one me with these questions

Common binomial factor of 6x(3x+7)+5(3x+7)

In order for the function to be linear, what must m be and why? m = 22 because the rate of change is 1. m = 20 because the rate of change is 3. m = 22 because the rate of change is -1. m = 20 because the rate of change is -3.