Answer:
159 degrees
Step-by-step explanation:
A full semicircle (or half circle) has a degrees of 180. And x is equal that semicircle so x = 180, now if we subtract 21 from 180 we get 159, so X = 159.
Answer:

Step-by-step explanation:
Density of a function is 
I have drawn the right angle triangle for visualization
equation for the line passing through (1,0) and (0,4) is


=
=
=
=
=

Answer:
b > -16
Step-by-step explanation:
The inequality is given as:
b - 1 > -17
To solve this problem, add +1 to both sides of the expression:
b - 1 + 1 > -17 + 1
Now;
b > -16
So, all values for which b is more than -16 satisfy the solution for this problem.
Answer: =
1
/6
x^2+
1
/6
xy
Step-by-step explanation: