The answer to your problem is C
Answer:
y = 70 degree's
Step-by-step explanation:
180 is a straight line therefore the equation would read ...
180 = 110 + y
subtract 110 from both sides ...
70 = y
Answer:
7/2(1/2)^(n-1)
Step-by-step explanation:
multiplied by 1/2 each time, and first one is 7/2, so 7/2(1/2)^(n-1)