Which inequality best models the situation if variable d is the distance in kilometers? matt wants to run more than 12.25 kilometers each weekend. show the possible distances he may run. a. d < 12.25 and d may be a negative number. b. d < 12.25 and d must be a positive number. c. d > 12.25 and d may be a negative number. d. d > 12.25 and d must be a positive number.

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

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).