Answer:
do the following
Step-by-step explanation:
subtract the 2nd equation from the 1st....
x-2y = 14
-(x+ 3y = 9)
______________
-5y=5
y= -1
since you know that y is = to - 1 pick the 3rd answer
Answer:

Step-by-step explanation:
The n th term of a geometric sequence is
= a 
where a is the first term and r the common ratio, hence
= 4 ×
= 4 ×
= 
Use hypotenuse leg theorem.
First take 5.6 percent of 3000. Which is 5.6/100×3000= 168.
336 divided by 168 is 2.
The final answer is 2 years