Answer:
4.3
Step-by-step explanation:
look at the picture .......
Answer:
I believe the answer would be 7
Step-by-step explanation:
if you square root 43 you would get 6.557... and the next whole number would be 7.
Y=25x is proportional. Unit rate is 25
The other 2 aren't because they have a y-intercept and don't cross the orgin
Answer:

Step-by-step explanation:
-Greatest common factor is defined as the greatest positive that divides a set of whole numbers evenly and without a remainder.
-Given the set 
we notice, that the GCF can't be an integer with the power of x greater than 2:

Since, there's no other positive integer than can evenly divide the set of quotients, the GCF is 
The number 20 is not a prime number.