The 3 inside angles need to equal 180.
Subtract E from 180 to find the sum of the other two angles:
180 - 104 = 76
Now because EF ≅ DE , angle D and F would be the same so divide 76 by 2
Angle D = 38
Answer:
h(3)=-6
Step-by-step explanation:
sub 3 into all the positions which variable X is present



Answer:
13) 
14) 
15) 
16) 
Step-by-step explanation:
13) 
14) 
15) 
16) 
Answer:
Step-by-step explanation:
-2x + 7(1/2) =15
-4x +7 =30
-4x =23
x=-23/4