Answer: 1:2, 2:4, 3:6, 4:8, 5:10, 6:12, 7:14, 8:16, 9:18, 10:20, 11:22, 13:26, 14:28, 15:30
Step-by-step explanation:
These r just a few.
Hope this helps :)
If

denotes the sum of the first

terms of a geometric series with first term

and common ratio

, then





Using summation notation, you have

In this case, you have

,

, and

. So the value of the sum is

Rounded to the nearest whole number, the answer would be 3.
7 x 60 = 420
420 ÷ 0.91 = 461.5
Anwser - 471.5 y/h
Answer:
c
Step-by-step explanation: