A spinner has three sections which are coloured blue, yellow and pink. Harley spun the spinner 100 times in total. The frequency of spins that landed on yellow was 45. The ratio of the frequency of blue to the frequency of yellow was 4:9.

What is the estimated probability of the spinner landing on pink? Give your answer as a decimal.

What is the perimeter of square abcd? units units 28 units 37 units

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.

Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?