16 z3 + ( - 21 z3 ) :
Remove parentheses :
= 3 * 16 z - 3 * 21 z
= 48 z - 63 z
= - 15 z
hope this helps!.
Answer:
-8/12 and 8/12
Step-by-step explanation:
The square root of a ratio is the ratio of the square roots.

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On your X-axis, go to -5 and identify which Y-coordinate it is. For this problem, it would be -2.
It will take 1 minute because if the 100 cats eat 100 fish and they all get the same amount then the rate should 1 fish per cat per minute.....