What's the slope and y-intercept?

Slope: -9

y-intercept: (0,5)

Step-by-step explanation:

The slope equation is rise over run. Let's use 2 different points to figure it out. (0,5)(1,-4) So you want to do -4-5 divided by 1-0. The outcome will be -9 over 1. So the answer for slope would be -9. For the y-intercept, you want to find the point on the line where it passes through the y-axis. You would write, (0,5) You wrote 0 for x because it is on the y-axis. I hope this helps!

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

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