4+4x=20
-4. -4
4x=16
X=4 (hope this helps)
Answer:
slope = -4
Step-by-step explanation:
rise/ run = 4/1, but slope always minus, so slope = -4
Answer:
D
Step-by-step explanation:
If I estmaite the answer from 81% to 80%, then 80*2=160. 160/2=80. 80% to 81 percent.
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Hope this helps you...
Answer:

Step-by-step explanation:
Given


Required
What must be true about y?
To answer this, we first calculate the range as follows;

and

For Minimum, we have:



For Maximum, we have:



The values of y are then bounded by the following:

This gives
