The answer would be A. He should use the mean because it is in the center of the data. I hope this helped ^^
Answer:
x = 78º
y = 35º
Step-by-step explanation:
These are isosceles triangles
two angles are congruent
-----------------------------
x + 51 + 51 = 180
x = 180 - 102
x = 78º
y + y + 110 = 180
2y = 70
y = 35º
B is 0 hope thsi helps and to die lol
the answer is 304
Step-by-step explanation:
write the formula and Substitute the Numbers.
I hope This Helps!