For 6, you could divide 56 kilometers by 8 kilometers to get 7 kilometers. Multiply 7 by 5 to get 35. There would be 35 miles in 56 kilometers
The answer is 5.196152423
Since - x^2=27
X=square root of 27
=5.196152423
The answer of this problem would be A: Y = -1 because the line needs to be horizontal.
What is the full question ?

Explanation:
The triangle is right angled.
The formula for area of the triangle:

base = 3
height = 4
substitute the values: