Step-by-step explanation:

Answer:
41.2310562562
Step-by-step explanation:
by use of calculator
Hello : let A(-1,5) B(5,-4)<span>
<span>the slope is : (YB - YA)/(XB -XA)
(-4-5)/(5-(-1)) =-9/6 = -3/2</span></span>
This strategy works because if you subtract one number from another the sum of the two numbers should be the that is being subtracted from. (In this case, it's 200)