Given a sequence is defined by the explicit definition latex: t_n=\: n^2+nt n = n 2 + n, find the 4th term of the sequence. (ie latex: t_4t 4)

4

8

20

1806

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

The table shows the number of students who signed up for different after school activities. activity students cooking 9 chess 4 photography 8 robotics 11 select the true statements about the information in the table.

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min