What is the rate of change of the function represented by the table? x
y
1
–8.5
2
–6
3
–3.5
4
–1
–2.5
–1
1
2.5

4. find the geometric mean of 4 and 12. 24 8

Which of the following statements is not true? a.parallel lines are lines in the same plane that never intersect. b.congruent figures have the same shape and same size angles and sides. c.similar figures must have the same shape and the same size. d.a rotation is when you turn a figure around a certain point.

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x