Answer:
a
Step-by-step explanation:
Both of this angles are same side interior angles which means both of this angles when added equal to 180 degrees
5x +15 + 3x - 3 = 180
8x - 12 = 180
+12 +12
8x = 192
x = 24
Answer:
Variance is the squared deviation and deviation is the difference of observed value from other values
Step-by-step explanation:
Variance is the squared deviation and deviation is the difference of observed value from other values


Where, 
The answer is 114 just divide 228 by 2
Answer
-4,000
Step-by-step explanation:
Just subtract 35,000 and 31,000 or 27,000 and 21,000 and get 4,000. Since the altitude is going down, it'll be negative.