Fifth term / second term = a1r^4 / a1r = r^3 = 768 / -12 = -64
so r = -4 and first term a1 = -12/-4 = 3
answer is 3*(-4)^(n-1)
Its C
Answer: a = 30
Step-by-step explanation:
OK so where is the weekly math homework!?
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.