The answer is Isosceles triangle
A = 90 degrees
B = 50 degrees
D = 140 degrees
E = 40 degrees
HOPE THIS HELPS!
Hello there, this problem is just basic addition, here is what it would look like

Solve it and we get 78.21
Answer:
n = -2
Step-by-step explanation:
4n + 12 = 4
Subtract 12 from both sides.
4n = -8
Divide both sides by 4.
n = -2
4+ 0.0 + 0.09+ 0.002. This should be the expanded notation form.