Answer:
25
Step-by-step explanation:
10/2=5
Then, you use the formula for the area of the circle: 
Plug in 5

Simplify
25
(2x-4) / 5 = x + 4. Mult. both sides by 5 to eliminate the fraction on the left side:
2x-4=5x + 20
Combining like terms, 3x = -24, and so x = -8
Teachers and principles probably still want to keep school a little old fashioned while still having little technology by the next year or 2 we'll might not have to carry heavy backpacks anymore I wish you the best of luck.
Answer:
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Answer:
f(x)=-|x|+19
Step-by-step explanation:
so shifted 19 units up means
abosolute value of x + 19
and reflected in the x axis means that you have to put the - before the abosolute value.
so -|x|+19