Answer:
After 7 hours Tevin will catch Enrique
Step-by-step explanation:
We have given speed of Enrique is 20 mph
Tevin left traveling after 2 hours of Enrique
Speed of Tevin is 28 mph
When Tevin catches Enrique will cover same distance
Let Enrique is traveling for t hours
Then Tevin will travel for t-2 hours
We know that distance = speed × time
So 


t = 7 hours
So after 7 hours Tevin will catch Enrique
Answer: d. The domain would only include positive numbers.
Step-by-step explanation:
Given: A function is created to represent the miles per gallon your car gets.
Here, the independent variable = the amount of fuel the car gets in gallons.
and the dependent variable = the total miles of car travel .
We know that the domain of a function is a set of all values of independent variable.
Thus, the domain would only include positive numbers because the quantity of fuel in a car is never negative and it can be in fraction .
Hence, D is the right answer.
Answer:
<h2>44</h2>
Step-by-step explanation:

The first one is D. (2+11)7=7(2+11)
I'm not sure of the second one, I apologize.
Answer:
(4,1)
Step-by-step explanation:
2x+4y=12
y=x-3
2x+4*(x-3)=12
2x+4x-12=12
6x=24
x=4
y=4-3=1
(4,1)