Genevieve is buying a car audio system that consists of a stereo, speakers, and amplifiers. she is choosing between 5 types of stereos and 2 types of amplifiers. if she has a total of 30 choices, how many types of speakers must there be? a-3 b-6 c-10 d-20

3 speakers

Step-by-step explanation:

Genevieve has to choose stereo ,speakers and amplifiers

5 types of Stereos and 2 type of amplifiers are present

and 30 choices are there so there must be 3 types of speakers because

10x

step-by-step explanation:

the greatest common factor 30 and 20 is 10

5 is a common factor of 30 and 20 but 10 is also a factor and 10 is greater than 5 so 5 will definitely not be apart of our answer

now the most amount of x's you factor our is just 1 factor of 1

so 10x the gcf of the terms in the polynomial

an advantage of the standard deviation is that it increases as the dispersion of the data increases. e. the interquartile range is preferred when the data are not skewed or no have outliers. an advantage of the standard deviation is that it uses all the observations in its computation.