Answer:
x×25+y×14.5( greater than or equal to symbol)250
60 degrees, because it's an equilateral triangle, as you can tell because the sides are all the same length.
The letter that has no right angles is N
Hello!
The midpoint formula is basically an average of x and y.
It is also written as:
.
With the formula above, we can substitute the given points into the equation, and simplify.

Therefore, the midpoint between points H and J is choice D, (6, 3.5).