So u have to subtract 65 from 145 leaving you with 80, then you divide by 2 which fives you 40. The two angles are 40 degrees each.
17/20 = 0.85
0.85 is a terminated decimal
hope this helps
Answer with explanation:
y= |x| -1
|x|=x , if x≥0
and = -x , if x<0.
So,the above function can be written as

First Drawing the graph of
y= x-1 for, x ≥ 0
And , then , y= -x -1 ,for x <0.
and then combining, the two we get.
Sorry i can't do your homework.find some one else