Original amount is 100 percent, subtracted discount is 20 percent. Use the diagram to help you solve the problem.

A pair of shoes has an original price of $65 but is on sale for a 20 percent discount. What number can you multiply by $65 to get the discounted price of $52?
0.20
0.50
0.80
0.90

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

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?