Answer:
5z
Step-by-step explanation:
3z+5z-3z(3z gets cancelled)
5z
Answer:
1/2 rational exponent represents a square root.
Step-by-step explanation:
Because it is an example of a true square root.
It's the one on the bottom left that says 5ft and 3ft, they're the same shape and ratio just turned around. It's also the square that says 6ft and 10ft because its only two times bigger than the original and has similar proportions.
Answer:
None
Step-by-step explanation:
If 1/3 is left every hour then it would then after 3 hours wouldn't it be gone? Most would assume if only a third of the water is left every hour then after three hours there would be either of two answers if the question was written correctly: one third because they refilled it on the 2nd hour or none because it wouldn't even last two hours