Rewrite the term 
Expand each term so we have
Use the fact that 
Use the fact that 
when a is an even number
Simplify
Let me know if you need any clarifications, thanks!
2 1/2
10 goes into 25 2 times with a remainder of 5 so , you get 2 5/10
5/10 reduces to 1/2
Answer:
B
Step-by-step explanation:
X = 29 by the alternate interior angles
y = 49 by the triangle sum theorem
z = 102 because the opposite sides of a parallelogram are congruent
Answer:
21
Step-by-step explanation:
x = 3
y = 4
2x + y² - 1
2(3) + 4² - 1
2(3) + 16 - 1
6 + 16 - 1
22 - 1
21
Is this the equation? -2-34x=10?
