**Integers and Diophantine Equations Homework Help** 1) Can 120 be expressed as the sum of two positive integers, one of which is divisible by 11 and the other by 17?

2) The nickel slot of a pay phone will not accept coins. Can a call costing 95 cents be paid for exactly using only dimes and quarters? If so, in how many ways can it be done?

What is 1/2 x (6 x 4)+3 + 2 show your work

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

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.