Answer: 43
Explanation: All triangles add up to 180. We can subtract angle Z to get 86. Since X and Y are equal, we can divide 86 by 2.
Step-by-step explanation:
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Answer:
B
Step-by-step explanation:
X∩Y is the intersection of X and Y which contains only the common elements
X∩Y = { }
Since there are no common elements
Answer:
Use the formula
a
n = a
1 + d ( n − 1 )
to identify the arithmetic sequence.
a
n = 2
n + 10
Step-by-step explanation: