R.062
f(x) = {6,621.60 when =>106,800
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answer: bearing in mind that a rectangle has a perimeter of length + length + width + width.

step-by-step explanation:

p = perimeter

l = length

x=width

p = 2l + 2x

p = 2(l+x)     < ==== perimeter of the base of the box.

x= cost per bracelet

number of bracelets * x + shipping charge = total cost

so

9x+9=72

1

x = 1

step-by-step explanation:

0 ÷ x = 0

0 ÷ 1 = 0

answer is 270 degrees: -

to convert radians to degrees you multiply by 180/π

9π/ 6 * 180 / π

=   9 * 180 / 6

= 9 * 30

=   270 degrees   answer