Answer:
D
Step-by-step explanation:
The square root of 64 = 8 and the square root of -289 is 17i, and they are subtracting.
140 doses
1 gram = 1000 milligrams
1 gram = 10 doses
10*14 = 140
D is the coordinate point (4,-2)
Irrational numbers
Hope this helps ;)