Yesterday you borrowed $30 from your brother. everyday that u dont pay it back, u owe $2 more. so today, day 1, u owe him $32; on day 2 youll owe him $34; on day 3 youll owe him $36 etc. if u still havent paid him back, how much wil u owe him on day 22?

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).

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c