Select the correct answer.
which statement is true about quadrilateral abcd with vertices a12, 8), b(3, 11), c(4,8), and d(3,5)?
o a
quadrilateral abcd is a square because adjacent sides have slopes that are negative reciprocals.
ob.
quadrilateral abcd is a rhombus because adjacent sides have slopes that are negative reciprocals.
oc.
quadrilateral abcd is a square because adjacent sides have slopes that are not negative reciprocals.
od.
quadrilateral abcd is a rhombus because adjacent sides have slopes that are not negative reciprocals.

answer:

payment just for service  

→

$

87.12

payment for service including tax

→

$

94.09

explanation:

service only with 20% tip  

→

$

72.6

(

1

+

20

100

)

=

$

87.12

in the opening of the question the word 'service' is associated only with the pretax value.

the closing part of the question asks: how much did she pay for the  

service

−−−−−−  

so technically the answer is  

→

$

72.6

(

1

+

20

100

)

=

$

87.12

however, the intention of the question provider may have been that your answer is to be  

$

87.12

(

1

+

8

100

)

=

$

94.09

to 2 decimal places.

'

payment just for service  

→

$

87.12

payment for service including tax

→

$

94.09

tony b

mar 21, 2017

answer:

trying to explain it another way

explanation:

service charge  

.

→

$

72.60

20% tip  

20

100

×

$

72.60

=

$

14.52

−−−−−−  

←

add

$

87.12

tax  

8

100

×

$

87.12

=

$

6.97

−−−−−  

←

add

$

94.09

related questions

8

step-by-step explanation: