Match the following. 1 . inverse operations opposite operations that undo one another 2 . property of equality what happens to one side of an equation must also happen to the other side of the equation 3 . solve a value or values of the variable that make an algebraic sentence true 4 . solution find the solution(s) to an equation

Mary used 1/7 of a spool of ribbon to complete 4 projects. she used the same amount of ribbon on each project. how much ribbon did she use on each project?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

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.