Is milking cow harmful for our community

No it is not

Step-by-step explanation: A cow gives milk that can help feed humans and make us stronger. A cow can also give milk to it's young and create more cows. Cows also create milk which humans can sell in stores all around the country which can help boost our economy

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

if you was gonna solve for a, a is a   < -12