Unit Test Review
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Katie ordered candles that cost $3 each from a website. She was charged a flat shipping fee of $6 and no sales tax. If she
spent a total of $54, which equation can be used to find c, the number of candles she ordered?
3c = 54
8c = 54
B = 54
30
Marathnetum
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step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

hope it you

step-by-step explanation:

sin(7pi/6 - pi/3)  

= sin(7pi/6 - 2pi/6)  

= sin(5pi/6)  

= sin(pi - pi/6)  

= sin(pi/6)  

= 1/2  

sin 7pi/6 - sin pi/3  

= sin (pi + pi/6) - sin pi/3  

= -sin pi/6 - sin pi/3  

= -1/2 - sqrt(3)/2  

= -(1+sqrt(3))2

i need a picture

step-by-step explanation:

2

step-by-step explanation: