B: z=80___________________________________
Answer:
14 6/11
Step-by-step explanation:

Integrating gives

To compute the integral, substitute
, so that
. Then

Since
for all
, we can drop the absolute value, so we end up with

Given that
, we have

so that

Answer:
No, It is not a right triangle
Step-by-step explanation:
For it to be a right triangle, the hypotenuse would be equal to the sum of the legs when squared.
Use the pythagorean theorem-
8^2+12^2=15^2
64+144=225
208=225
Since they aren't equal, it is not a right triangle.
Answer:
length x width x height and 25