Aresearcher wishes to determine the average number of vehicles are registered to a typical houston residence. in order to do this, he sends a survey to 250 randomly selected residences asking for them to indicate the number of registered and return the survey. identify the population.

Houston residences

Step-by-step explanation:

Here , The objective of the researcher is to determine the average number of vehicles are registered to a typical Houston residence.

Clearly , the population is this situation is "Houston residences" having vehicles.

Note : 250 randomly selected residences are defining the sample of the entire population of Houston residences which is a subset of population.

Hence, the correct answer is Houston residences.

d

step-by-step explanation:

i used the pitagoras theoreme

the answer is b: 18

step-by-step explanation:

use the pythagorean theorem to .

a^2+b^2=c^2

plug 18 for "r"

the 2 legs are 18 and 24

18^2+24^2=c^2

324+576=c^2

900=c^2

c=30

30-12=18

18 is the radius

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