Answer:
12.3 - 7.9x
Step-by-step explanation:
8.9 - 1.4x + (-6.5) +3.4
12.3 - 1.4x - 6.5=
12.3 - 7.9x

As we know ~
Area of the circle is :

And radius (r) = diameter (d) ÷ 2
[ radius of the circle = half the measure of diameter ]
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<h3>Problem 1</h3>



Now find the Area ~




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<h3>problem 2</h3>



Bow, calculate the Area ~




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<h3>Problem 3 </h3>




・ .━━━━━━━†━━━━━━━━━.・
<h3>Problem 4</h3>



now, let's calculate area ~



・ .━━━━━━━†━━━━━━━━━.・
<h3>problem 5</h3>



Now, let's calculate area ~




・ .━━━━━━━†━━━━━━━━━.・
<h3>problem 6</h3>




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Day Sis you
1 -30 20
2 0 40
3 30 60
4 60 80
5 90 100
6 120 120
So day 6.
Answer:
X^2+5x-50
Step-by-step explanation:
X^2-5x+10x-50