Answer:
A=12
B=54
C=18
Step-by-step explanation:
A=first
B=second
C=third
A+B+C=84
B=3C
A=C-6
C-6+3C+C=84
5C-6=84
5C=90
C=18
A=C-6
=(18)-6
=12
B=3C
=3(18)
=54
Answer:
A is not a function
Step-by-step explanation:
In table A, the x value of 4 goes to two different y values
To be a function each x value can only go to one y value
A is not a function
Answer:
The axis of symmetry is x = 6
Step-by-step explanation:
To find this, first find the two x-intercept values and then take the average. This will always be the line of symmetry.
x + 9 = 0
x = -9
x - 21 = 0
x = 21
Now take the average of these two numbers.
(-9 + 21)/2
12/2
6
Answer:
6
Step-by-step explanation:
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Answer:
96, 64, 42.6 or (
)
Step-by-step explanation:
