In how many ways can 4 people sit down in 6 seats in a row so that the leftmost and rightmost seat is empty

In the geometric progression –3, 12, −48… what term is 3,072?

In the diagram, gef and hef are congruent. what is the value of x

The diameter of a bacteria colony that doubles every hour is represented by the graph below. what is the diameter of the bacteria after 8 hours? graph of a curve passing through the points zero comma 1, one comma two, two comma four, and three comma eight