Answer:

Step-by-step explanation:
We are given that:
First term (a) = 5
common ratio (r) =
The nth term of a geometric sequence is given as:

Answer:
The constant of variation is 3
Step-by-step explanation:
Given.


And y is directly related to x
∝ 
Here k is constant of variation

--------------(1)
Put the
and
value in equation 1.


So, the constant of variation is 3.
Step-by-step explanation:

Parentheses
Exponents
Multiple
Divide
Add
Subtract
Answer:
I
Step-by-step explanation:
3x-5+7x+5+90=180
x=9