Answer:
c .....the answer is c.....
Step-by-step explanation:
I hope this helps
Answer:
The answer is 50
Step-by-step explanation:
40-10=30
30+20=50
Answer:
rate=55 percent
Step-by-step explanation:
SI=PRT
p=90
r=?
t=2
si=99
R=SI÷PT
R=99÷90×2
r=99÷180=0.55
r=0.55×100
R=55%
Answer:

Step-by-step explanation:
The given sequence is a geometric sequence.
We can find the common ratio using any two consecutive terms of the sequence.

The common ratio is 
Answer:
3+5n=5(n+2)-7
- 3+7= 5n+10-5n
- 0 ( As 5n and 5n cancle )
Step-by-step explanation:
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