The correct answer is C
3+ 0 is 3
3^2 + 0 is 9
Answer:
BC = 7.
Step-by-step explanation:
subtract 12 inches from 19 and then you get the result for BC.
The answer is y=0
See the attached photo for details
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Answer:

.
Step-by-step explanation:





For the first one it is 5 x10^{8}
and for the second one it is 0.0005 = 5 × 0.0001 = 5 × 10−4