Find the common ratio of the geometric sequence -15, 135, -1215,...

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

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.

Acone with volume 1350 m³ is dilated by a scale factor of 1/3. what is the volume of the resulting cone? enter your answer in the box. m³