Answer:
10^2+2×2b×10+2b^2 = 100+40b+2b^2
Let's solve your equation step-by-step.<span><span><span><span><span>65+6x</span>+3x</span>+9</span>+65</span>=180
</span>
Step 1: Simplify both sides of the equation.<span><span><span><span><span>65+6x</span>+3x</span>+9</span>+65</span>=180
</span><span><span><span>(<span>6x+3x</span>)</span>+<span>(<span>65+9+65</span>)</span></span>=180 </span>(Combine Like Terms)
<span><span><span>
9x</span>+139</span>=180</span><span><span>9x+139</span>=180
</span>
Step 2: Subtract 139 from both sides.
<span><span><span><span>
9x</span>+139</span>−139</span>=180−139</span><span>9x=41
</span>
Step 3: Divide both sides by 9.
<span><span>9x/9</span>=<span>41/9
</span></span><span> x=<span>41/9
And finally you divided by 41/9
Answer is x= 4.555556
</span></span>
<u>Part</u><u> </u><u>(</u><u>a</u><u>)</u>

<u>Part</u><u> </u><u>(</u><u>b</u><u>)</u>

Answer:
200
Step-by-step explanation:
bruh truss me❤️
Answer:
True
Step-by-step explanation:
The variance of data measures how much the data varies.