Answer: z = 7
Step-by-step explanation:
Step 1: Subtract 4 from both sides
z + 4 - 4 = 11 -4
z = 7

Here we go ~
The air plane descends 15 feels every 1.45 seconds, so it's unit rate is :

Now we have to calculate the descent in 3.5 minutes ~


So, the airplane descends 2172.41 feels in three and a half minutes ~
Answer:
It was a
Step-by-step explanation:
Answer:
75.76%
Step-by-step explanation:
1000 + 500 + 250 + 125 + 62.5 = 1,937.5