Answer:
1. Rate of change is -5 every step.
2. Rate of change is -5 feet every one hour.
3. Inital water level is 30 ft
Step-by-step explanation:
Answer:

Step-by-step explanation:
Based off of what we do know, if we can find length DB we can use the pythagorous theorem (I will be assigning the variable z)

First equation is for triangle ABD
Second is for BCD
And the last one is for ACD
Substitute
and 

As discovered before

1. Convert the yards into feet.
100 yards equals 300 feet
2. im not sure
3. 3 1/4 + (5 - 1 1/4) = 7
4 idk
5. 3 3/4 + 3 3/4= 6 6/4 which is 7 2/4 which is 7 1/2
6. 8/9 divided by 2 = .444444 repeating which equals: 4/9
7. 25% of 200 is: 50
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Hope this helped :)
Answer:
x ≥-3
Step-by-step explanation:
7 − 9x − (x + 12) less than or equal to 25
7 − 9x − (x + 12) ≤ 25
Distribute the minus sign
7 − 9x − x - 12 ≤ 25
Combine like terms
− 10x −5 ≤ 25
Add 5 to each side
− 10x −5+5 ≤ 25+5
− 10x ≤ 30
Divide by -10. Remember that this flips the inequality
− 10x/-10 ≥30/-10
x ≥-3
0.25e − 14 = 26 Then you add 14 from both sides
0.25e=40 Then you divide both sides by 0.25
e=160
Then to check you work you do this:
0.25(160)-14=26
40-14=26
26=26 Correct!!!!