Answer:
the root of -1 is -1
Step-by-step explanation:
When multiplied by itself, the root is typically a specified number of times gives a specified number or quantity. So -1 × -1 = -1
So there you go
17 I think might be wrong cuz I suck at this
Answer:

Step-by-step explanation:
1) Add the whole numbers first.

2) Join the denominators.

3) Simplify.

hence, the answer is 3 4/5.
you would multiply speed by time
20 feet per second times 10 seconds = 200 feet total