Which is the correct vertical cross section through the vertex of the figure?​

Find the sum of the first 8 terms of the following sequence. round to the nearest hundredth if necessary.

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

Find the root(s) of f (x) = (x- 6)2(x + 2)2.