Perimeter is the distance around a shape. The way you find it is by adding the lengths of every side.
In this case, it is 3+4+5=12 cm
That is so easy :)
the answer is 24
See attached picture of graph
Answer:c
Step-by-step explanation:7x15
<span> we know that the 90 percentile in Z-score is ≈ 1.28 then,
=136 ± 1.28(13.8)
=(118.336 , 153.664)
</span>hope it helps