Find the common ratio of the sequence.

–164, –82, –41, –20.5, . .
a 2
b 82
c 1/2
d –82

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need

Standard deviation of 19,29,21,22,23

Aresearch group wants to find the opinions’ of city residents on the construction of a new downtown parking garage. what is the population of the survey downtown shoppers downtown visitors downtown workers city residents