Answer:
Here is the answer to your question it is in this picture
Answer:
291 .1
Step-by-step explanation:
80.2 + 91.6 + 123 + 204.7 + x = 790.6
790.6 - 499.5 = 291. 1
Answer:

c = 17
Step-by-step explanation:
This is the Pythagorean theorem
Since the 3 of them are like terms, we have to ADD all 3 of them.
4x+2x+7x= 13x
Answer:
25
I hope i got it in time :)