Answer:
its B
Step-by-step explanation:
-5x^2(small two at top ) +9
less than; Set A
It is less than, because if you add half of the sum of the least and greatest numbers of the set to the lowest number in the set, you get the median. The median of Set A was 17, and the Median of Set B was 17.5.
Set A is more variable in terms of range, because it has a larger range.
Formula: Δ L = 10 × log n.
<span>Δ L = level difference. </span>
<span>n = number of equal loud sound sources. </span>
n = 5
10 × log10 5 = +<span>6.9897</span><span> dB compared to the case that only one source is available. </span>
If you’re talking about the two holes in that image, you just need to find the area for both and add them up.
3ftx2ft=6ft^2
1ftx2ft=2ft^2
6ft^2+2ft^2=8ft^2