Answer:
20 to the 5th power
Step-by-step explanation:

So y=2x is the only answer that fit y=kx, while k=2
Answer:
68.965
Step-by-step explanation:
Answer: the first one is irrational because it is a repeating fraction.
the third is square root of 7 is less than 14/5
the fourth is negative 5 over 6, negative 5, negative 31 over 6, negative square root 26
Step-by-step explanation: Hope this helps !
Word Form: Three hundred fourteen thousand two hundred seven
Expanded Form: 300,000 + 10,000 + 4,000 + 200 + 7