In this geometric sequence, what is the common ratio?

104, -52, 26, -13,

2
-2
-1/2
1/2

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

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

Students are given 3 minutes to complete each multiple-choice question on a test and 8 minutes for each free-responsequestion. there are 15 questions on the test and the students have been given 55 minutes to complete itwhich value could replace x in the table? 5507-m23-m8(15-m)8(15)-m