10x10x10x10, you have to multiply 10 by 10 four times, since it's 10 to the power of 4.
For the very last part, a is 29 and b is 45.

=

, and when you multiply it by 5 it turns into

, which is

So in conclusion he watched 9 & 10 minutes watching the movie
x is timed by .5 in the first one (A) which would make it the linear function.
Answer:25
Step-by-step explanation:
it 25 bc if u add them and then subtract then u get 25