Answer:
The equivalent expression for 
is 
Step-by-step explanation:
The distance in feet that Karina swims in a race is represented by 4d - 4, where is d is the distance for each lap.
To get equivalent expression we factor the expression 4d-4
Greatest common factor is 4
Factor out 4 from the expression 4d-4
when we factor out 4, we divide each term by 4
The equivalent expression for is
Answer:
The Population Density is 
.
Step-by-step explanation:
Given,
Total number of People = 900,000
Total Land Area = 1800 sq. mi.
Solution,
For calculating the population density, we have to divide the total number of people by the area of the land.
This can be framed in equation form'
Now putting the given values, we get;
Hence The Population Density is .
Answer:
3 out of 7
Step-by-step explanation:
you just simplify the expression divide it by 2 on both side and it ends up to 3 out of 7
