Answer:
the expected value is if your sum is odd because half of the values you could roll are odd witch means you have 50% chance to get odd
because their are not high odds of getting something good
Answer: 
Step-by-step explanation:
You need to draw a right triangle as the one attached, where
is the angle of elevation from the fire to the top of the fire tower.
You need to use the Inverse trigonometric function Arctangent:

Observe the triangle. You can identify that:

Then, you can substitute values:

Finally, evaluating, you get that the angle of elevation from the fire to the top of the fire tower is the following:

Rounded to the the nearest tenth of a degree:

Answer:
It should be -3.75 because of how close .75 is rounding up to the next number which is -4
Answer:
425
Step-by-step explanation:
hope this helps. pls give brainliest.