What is the iqr (interquartile range) of the data set? 33, 37, 45, 61, 64, 67 a. 27 b. 37 c. 50.5 d. 64

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.

What is sin 7x/4 ? i need on this urgent trig

What is the value of x in the equation 1.5x+4-3=4.5(x-2)?