Check the Wronskian determinant:

The determinant is not zero, so the solutions are indeed linearly independent.
Answer:
Very certain it is C
Step-by-step explanation:
There are no points on the graph line itself so I cannot really confirm this but i am 70% sure
Answer:
25 because 50 minus 25 is 25
So, if you add 25 and 52 you get 75. All angles of a triangle need to add up to 180. the angle c will be around 105 degrees i assume
Answer:
First one is wrong. x should be 16.
Second one is not completely visible, so cannot say.
Step-by-step explanation:
In the last step, the divison by 4 yields:
x/16 = 1, so x = 16