Answer:
B
Step-by-step explanation:
B is the correct answer.
the sign would probably be a negative. imagine this - - - - - - and then + + +, cancel out the negatives and plus then you are left with more negatives than positive so the sign will take the negative sign.
when you have a linear combination for example 3x + 2y equals negative 4 you adieu like terms and then multiply
If you would graph the triangle, one of the legs would be 8 and another would be 5 and the area of a triangle is bxh/2 so the equation is 8x5/2=20un².
Hope this helped! :)
