The square shown has a perimeter of 32 units. The square
is rotated about line k.
What shape is created by the rotation and what is the
approximate circumference of the base?
Circumference of a circle: C = 21
O a cone with a base circumference of about 25 units
O a cone with a base circumference of about 50 units
O a cylinder with a circumference of about 25 units
O a cylinder with a circumference of about 50 units
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step-by-step explanation:

one of the most important purposes of surface treatment is to alter surface properties according to the requirement of specific applications. for example, hydrophobic coating has been utilized on windshield and eyeglasses. gold atom monolayer on substrate has become a popular surface bioconjugation strategy.  

income. 10x+1300

expenses 3x+(1800+1500)

expenses 3x+3300

to break even:

income = expense,

10x + 1300 = 3x + 3300,

solve for x.

step-by-step explanation:

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the answer is b