The number of guitar lessons that can be completed in 7 months is 2(7) = 14.
Answer:
its A
Step-by-step explanation:
the y intercept would be -4 and the slope would be -23, put it in y=mx+b form
It takes 1.7 x 10 ^4 for light from the sun to reach the comet.
<h3>How do scientific notations work?</h3>
The number is written in the form
where we have 
Scientific notations have some of the profits as:
Better readability due to compact representation
Its value in terms of the power of 10 is known, which helps in the easy comparison of quantities differing by a large value.
A comet is about
km from the sun.
Light travels at about
km per second.
= 
Hence, It takes 1.7 x 10 ^4 for light from the sun to reach the comet.
Learn more about scientific notation here:
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Answer:
B and C, only
Step-by-step explanation: