Which of the following could be the sum of exactly three consecutive integers?
f.98
g.198
h.298
j.398
k.998
(answer and get 11 points)

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Could someone with number 1 and 2

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).