To find the average rate of change, its a secant line.
Product is the result of multiplying the numbers, so the <span>product of 8/15, 6/5,1/3 means that we have to multiply the three numbers, like this:

let's make them into one fraction:
</span><span>

We can simplyfy:
</span>
<span>

</span>
<span>

and multiply:
</span>
<span>

and this is the correct answer!</span>
The answer is the last option
Answer:
P = 64 cm
Step-by-step explanation:
<C = 150° - 90° = 60°
AB = AC
∠B = ∠C = 60° } => ΔABC = EQUILATERAL TRIANGLE =>
=> BC = 10 cm
P = 10cm + 8cm + 6cm + 10cm + 6cm + 6cm + 8cm + 10cm
P = 3x10cm + 2x8cm + 3x6cm
P = 30cm + 16cm + 18cm
P = 64 cm