Answer:
r = 3
Step-by-step explanation:
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Step 1: subtract 18 from both sides. Then you have -4r = -12
Step 2: Divide -4 to both sides and you get r= 3
5
A function
where a is the initial value and b is the multiplicative rate of change.
In the function,
5 is the value of b so
5 is the multipicative rate of change
8x-2=16-6x
No because 16-6x is 10
and 8-2 is 6