Here is the same number machine. Input
Output
x 2
+ 3
17
Work out the input when the output is 17.

Find the missing factor. 7s2 + 25s + 12 = (s + 3)( ).

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.

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?