Subtract these polynomials.
(3x2 + 3x + 3) - (x2 + 2x + 3) =
a. 2x2 + x
b. 2x2 + 5x
c. 2x2 + 5x + 6
d. 2x2 + x + 6

If x = 12 and y = 3, what is the value of x - y 2? 81 6 3 18

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%