Which situation ends with a result of 0? A. A stock earns $12 on Monday, but loses $4 each of the next 4 days. What is the change in the stock's value for the week?

B. An ion of potassium is made up of 19 positively charged protons and 18 negatively charged electrons. What is the overall charge of the potassium ion?

C. The depth of a lake increases 6 inches on Monday, but the water level evaporates 2 inches each day for the next 3 days. What is the overall change of depth of the lake?

D. Ahmed spends $5 each day for lunch for 5 days. He earns $30 on Friday mowing his neighbor's lawn. What is the total result of Ahmed's income and expenses?

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.