8
12 - 4 = 8
A = 12 and 4/5
8.666666666666667
9 - -3 = 9 + 3 = 12 12 - 8 = 4 9 - -3 - 8 = 4
3/4 - 5/12 = 9/12 - 5/12 = 4/12 = 1/3.
16. 25% of 16 is 4.
x2 -x -12 = 0 (x+3)(x-4) = 0 Therefore, x = -3 & 4
It also equals 13 12.
(-3)-(4)=(-3)+4=1 Minus times minus equals plus. The reason for this we need not discuss.
-4 - 12 = -16
Yes
4 squared minus 2 squared equals 12