Which sample fairly represents the population? check all that apply. using a yearbook to determine the most popular names for girls in the united states asking the people exiting a vitamin store how often they exercise to determine the amount of time the average american exercises calling every registered member of the national republican party to determine the voter turnout for a city’s mayoral race sending a mandatory and confidential e-mail survey to every tenth employee of a company to determine overall job satisfaction taking a poll in the main hallway between classes to determine the number of students who would be interested in a school trip to new york city

Which ordered pair (c, d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

In new york city at the spring equinox there are 12 hours 8 minutes of daylight. the longest and shortest days of the year very by two hours and 53 minutes from the equinox in this year the equinox falls on march 21 in this task you use trigonometric function to model the hours of daylight hours on certain days of the year in new york city a. what is the independent and dependent variables? b. find the amplitude and the period of the function. c. create a trigonometric function that describes the hours of sunlight for each day of the year. d. graph the function you build in part c. e. use the function you build in part c to find out how many fewer daylight hours february 10 will have than march 21. you may look at the calendar.

Jenny earned a 77 on her most recent test jenny score is no less then 5 points greater then 4/5 of terrance’s score if t represents terrance score which inequality represents the situation