The last one is correct because 60+35+35+35=165
55+55+55=165
Answer:

Step-by-step explanation:
Given that,
The sum of first n term of a sequence is
We need to find the sum of the first 5 terms.
Put n = 5,

So, the sum of first 5 terms is equal to
.
Answer:
The missing digits are 3 and 1.
Step-by-step explanation:
6+3÷3-1=2
9÷3-1=2
3-1=2
Answer:
B. 43°
Step-by-step explanation:
Internal angles of the triangle are:
So It is a right triangle and the missing angle is:
Answer:
98
Step-by-step explanation:
Have a great rest of your day:D