42r^2s^4/14r^2s^2z^4
2 answers:
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Answer:
15 students per month
Step-by-step explanation:
The rate of change is calculated as
f(b) = 95 ← number of students in October
f(a) = 65 ← number of students in August
b - a = 2 ← difference in months
Thus
rate of change = =
= 15
We are given that the diameter = 42 millimeters
The circumference of the lid is approximately 131.95 millimeters.