I cannot help you with the first draging part since it needs to be done form your device.
But I can help you with the expression. Anything to the power of 0 power is equal to 1. Therefore:

Hope it helped,
BioTeacher101
Answer:
A 19 inch tv cost $89
Step-by-step explanation:
37 inch tv : 400 = 5x - 45
19 inch tv : x
We have the equation:
5x - 45 = 400
5x = 445
x = 89
This is good information, but the question part is missing. Put the question in the comments and I'll try my best to help!
Answer:1,2,4,5, I just took the test
Step-by-step explanation:
He will spend at least $27. He has already spent $16
27-16=11
So, Henry will spend at least 11 more dollars
C ≥ 11