
The formula of the sum of a geometric sequence:

We have:

substitute:

Answer: C. -5460
Answer:
15
Step-by-step explanation:
First do, 30% + 45% = 75%. Then do, 100-75=25.
Lastly,
proportions:
x/60 = 25/100
So your answer is, 15.
A- it’s a Pythagorean triple(6, 8, 10)
Answer:
option 2, 3, and 5
Step-by-step explanation:
Any equation that has an exponent would not be linear