Julie needs to have a toilet repaired in her house. The cost of the new plumbing fixtures is $160 and labor is $80/hr. Write a model that represents the cost of the repair C (in S) in terms of the number of hours of labor. x.
What is the model that represents the cost of the repair?

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%

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.

5x−4≥12 or 12x+5≤−4 can you with this problem