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Brian's cholesterol level is 282 now
Step-by-step explanation:
The percentage formula will be used to calculate the present level of Cholesterol.
Given
Previous cholesterol level = 300
Percentage decrease = 6%

The present cholesterol level will be:
= 
So,
Brian's cholesterol level is 282 now
Keywords: Percentage, decrease
Learn more about percentage at:
#LearnwithBrainly
Answer:
y = 3x - 22
Step-by-step explanation:
y = mx + b
plug in slope
y = (3)x + b
plug in (x, y)
-1 = 3(7) + b
multiply
-1 = 21 + b
subtract
-22 = b
plug in b
y = 3x - 22
Answer:
The independent variable is: "the cost of the smart phone"
Step-by-step explanation:
An independent variable is simply one that doesn't depend on other variables measured in the same sentence.
Now, in the question, we are told that the smart phone device has a fixed cost. This means that the cost doesn't depend on any other variable mentioned in the sentence.
Thus, the independent variable is: "the cost of the smart phone"
Answer:
-9/8
Step-by-step explanation:
4+1/8 - 7/4= 5/8-7/4=5-14/8=-9/8