Which of the following best describes a square root?
a. a factor of a number that, when subtracted from itself, gives the
number
o
b. a factor of a number that, when multiplied by itself, gives the
number
o
c. a factor of a number that, when divided by itself, gives the number
d. a factor of a number that, when added to itself, gives the number

The length of each stair is 11 inches. what is the rise, r, for each stair? round to the nearest inch. 2 inches 7 inches 17 inches 24 inches

Simplify the expression. -2/5(10+15m-20n)

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).