I would need to know more about this problem
Answer:
z=11
Step-by-step explanation:
180-74=106
106-7=99
99/9=11
z=11
The two combinations of two-digit numbers we could have would be 79 and 97. The only one of those that would round to 100 is 97. If we added another digit to the number, it would be over 100. The very smallest three digit number we could have with these two numbers in it would be 179; that would not round to 100. That means 97 must be our number.
Answer:
: Arrow hits the ground after 4 seconds.
Step-by-step explanation:
I assume you are going to ask when the arrow hits the ground, right? If so, follow these steps!

We can factor/distribute to solve this...

If this is true, then that means that...


So the solution would be

In this case, we want to use 4.