Plz
factor x2 + 9x + 18.

a)
(x - 3)(x - 6)

b)
(x + 2)(x + 9)

c)
(x + 3)(x + 6)

d)
(x - 2)(x - 9)

Factor x2 + 9x + 18.  

A)  (x - 3)(x - 6)  

B)  (x + 2)(x + 9)  

C)  (x + 3)(x + 6)  

D)  (x - 2)(x - 9)

Step-by-step explanation:

(x+3)(x+6)=x^2+6x+3x+18=x^2+9x+18

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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step-by-step explanation: