Ahab counted vehicles in a parking lot. 5 out of 15 were go-carts. If this trend continues and he counts 9 more vehicles, how many of them will be go-carts?​

What signals you that factoring by grouping is the best method to use when factoring a problem?

Ill mark the brainliest if you me with the these three questions 7,8,9

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).