Answer:
An unknown variable
Step-by-step explanation:
r is an unknown variable -> the equation is used to solve for it.
In math, r usually stands for radius.
0.3kg
Since the weight of 120 books is 36kg, the weight per book will be:
= 36kg / 120
= 0.3kg
here is the answer to your question
Answer: The answer is C) y= 2/3x-3
i figure it out
y=400(1.5)^4
Answer: just do 10.8×9×6 and divide the answer by two
