15. Researchers found that boys playing high school football recorded an average of 355 hits to the head with a standard deviation of 80 hits during a season. What is the probability on a
randomly selected team of 48 players that the average number of head hits per player is
between 340 and 360?
B. 43.04%
C. 40.32%
D. 16.64%
A. 56.96%​

In the geometric progression –3, 12, −48… what term is 3,072?

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.

The polynomial 10x3 + 35x2 - 4x - 14 is factored by grouping. 10x3 + 35x2 - 4x - 14 5x )-20 what is the common factor that is missing from both sets of parentheses?