There are no expressions shown but I will show you what it would look like! 2(x)-8 would be the best answer!
Answer:
x= 3,-5
Step-by-step explanation:
Answer:
the first question , the answer is A[2,oo)
the answer to the second question is B
Answer:
x=0
Step-by-step explanation:
4x+12=12
-12 -12
<u>4x=0</u>
4 4
x=0
The unit rate in the equation is 20.
Option C) is the correct answer.
<u>Step-by-step explanation</u>:
Step 1 :
In the given equation y = 20x
where,
x ⇒ total number of hours for tutoring
20 ⇒ the cost per hour of tutoring
y ⇒ the total cost for total hours of tutoring
Step 2 :
Unit rate refers to the value per hour.
Here, the cost for 1 hour of tutoring is $20.
∴ The unit rate is $20 per hour of tutoring.