Yes they are equivalent expressions. If you take the z to the power of two, and subtract that from the other z to the power of two, it is zero. So you are left with four which is the answer
In 1 ounce, there is approximately 28.34 grams.
Step-by-step explanation:
To find the average speed, you divide miles by hours.
27/3
So the average speed in miles per hour is 9.
Hope it helps!
Answer:
232
Step-by-step explanation:
Your fully factored expression should be 2*(8a+5).