In a probability experiment, craig rolled a six-sided die 55 times. the die landed on a number greater than three 31 times. what is the ratio of rolls greater than three to rolls less than or equal to three?
a. 31/24

b. 55/31

c. 24/31

d. 31/55

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Find cot x if sin x cot x csc x = √2

Which one is the correct answer, and why?