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im good

The first one:

When rotated about the axis, it will look like the given object at the top. 

Oh man... Thanks a lot! I was loosing a lot of time in this exercise and I need to go study Biology. How couldnt I see that, this wasnt that hard, thx :)

1 and 20/7 = 3 and 6/7

thats good to hear!

Because it involves numbers and spiders have 8 legs and spiders are icky

If you're rounding you would round down if the decimal is .5 or higher you round up for instance 3.75=4 but 3.25=3

i am great

Tan= Opposite over Adjacent

Let  k  represent the number of kilograms over the weight limit.

First airline:       Fee  =  $20 + $22k

Second airline:  Fee  =  $32 + $19k

Since the fees were equal:                 $20 + $22k  =  $32 + $19k

Subtracting $19k from both sides:        $20 + $3k  =  $32

Subtracing $20 from both sides:                     $3k  =  $12

Dividing by 4:                                                      k  =  4      <--     the bag was 4 k overweight.

First airline:       Fee  =  $20 + $22k     --->     Fee  =  $20 + $22(4)  =  $20 +  $88  =  $108

Second airline:  Fee  =  $32 + $19k     --->     Fee  =  $32 + $19(4)  =  $32 +  $76  =  $108

hi i decided to restart too

that is a cute drawing

I don't know how to do this O-O'

that is soooo cute