Answer:
-2
Step-by-step explanation:
Integers can be positive or negative.
Answer:

Step-by-step explanation:
From the question we are told that:
Angle of F 
Length of 
Length of 
Generally the equation for Angle D
is mathematically given by
Since
.The triangle is a right angle Triangle
Therefore




Answer:
4
Step-by-step explanation:
3+(-2) is the same as 3-2 which is 1. and since with multiple exponents you work from the top you have 4 to the power of 1^4. 1^4 is 1, so it's 4^1, which is 4.