Fatima surveyed a random sample of 80 students in her school about their favorite type of pet. Of the students surveyed, 20 chose cats as their favorite type of pet. If there are 597 total students at the school, what would be a valid estimate for the number of students whose favorite type of pet is a cat?

why do wages differ across industries

step-by-step explanation :

micro economists are concerned with economics on an industry or individual firm basis.

macro economists are concerned with national and international level

ruth is 6 years old

step-by-step explanation:

6 + 24 = 30,   so 6/30 = .2  

if you do 1/5 it also equals .2, so that is the answer.

dc=6 square root of 3 and ac is 12 square root 3

c and d

step-by-step explanation:

square root of 3/2 = 18/c

cross multiply to get 18*2=√3*c

36/√3 * √3/√3 = c

c= 36*√3/3

c=12√3