Answer:
72.5m/hr
Step-by-step explanation:
Divide 870 by 12 to represent how many miles David drove in 1 hour.

David drove 72.5 miles per hour.
<em>your answer to the question would be </em><u><em>18.9 ≈ 19ft</em></u>
Answer:
10
Step-by-step explanation:
We can use the Pythagorean theorem since this is a right triangle
a^2 + b^2 = c^2
8^2 + 6^2 = c^2
64+36 = c^2
100 = c^2
Take the square root of each side
sqrt(100) = sqrt(c^2)
10 = c
Answer:
3.33333333333
Step-by-step explanation:
flip the number
Step-by-step explanation:

Combine like terms on left hand side. Like terms are those which have the same base. Only coefficients of like terms can be added or subtracted.
⟼ 
⟼ 
Transpose 2x to left hand side and change it's sign.
Similarly , Transpose 10 to right hand side and change it's sign.
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⟼ 
Divide both sides by 6
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⟼ 

Hope I helped ! ♡
Have a wonderful day / night ! ㋡
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