The top one is 290° since a circle is 360° and you take away 70° from that you get 290
the second one is 93-25=68 and then 68÷2=34 so 34°
Answer:

Step-by-step explanation:

Answer:
90
Step-by-step explanation:
To find s4 we find sum of values when n=1,n=2,n=3,n=4
given expression is 
n=1 , plug in 1 for n

n=2

n=3

n=4

Sum of all 4 terms = 6+12+24+48=90
Answer:
Increasing in the interval
Step-by-step explanation:
We have been given a function:

Please look at the attachment to see the increasing interval of the graph
We can see that the graph is increasing in the interval
The options given in the question are not correct because graph is not increasing in any of these intervals.