I'm 100% sure but I think it is 6x^2y^3/10x^4y^2. Hope that helps! I'm sorry if that was wrong though, Haven't done one of those in a while.
The answer is -6 because a negative times a positive is a negative
The value of the variable is 4√5. Then the correct option is C.
<h3>What is the triangle?</h3>
A triangle is a three-sided polygon with three angles. The angles of the triangle add up to 180 degrees.
The similar triangles are shown in the diagram.
16 / x = x / 5
x² = 16 × 5
x = 4 √5
Then the value of the variable is 4√5.
Then the correct option is C.
More about the triangle link is given below.
brainly.com/question/25813512
#SPJ1