The answer would be D. The law of cosines.
Total Units = 4+5+9 = 18
so, 1 unit value = 180/18 = 10
Degrees will be : 4(10), 5(10), 9(10) = 40, 50 , 90
No because 5x7=35 and then when you add 6 it equals 41
Answer: it should be 1050
ANSWER
G. 10 and -2 only
EXPLANATION
-5/4 is a fraction that can't be simplified. Therefore it is not an integer.
1.25 has decimals, so it is not an integer either.
10 and -2 are are integers.