Answer:
x=2
Step-by-step explanation:
We know the only number that gets us back to 0 after subtracting 4 is 4, because 4-4=0. The square root of 4 is 2. Hope my explanation wasn't too confusing!
2²=4
4-4=0
If he is biking at the same rate he will bike 28 miles after 4 hours.

I hope this helps c:
Answer:
46
Step-by-step explanation
134 + x has to equal 180 because it makes a straight line.
So you do 180 - 134 to get 46
1. -11x +-27
2. 5
Hope this helps.