(xy + x) / x
p(2)=0.05, p(6)=0.1, p(3)=0.25, p(9)=0.1, p(12)=0.3, and p(5)=0.2. If Y=(X+1)^2, find standard deviation of Y.
30% of 139000
17/18 / (6 - 5/18 + 7/24)
7 add 6 times 3
7x-6y-8z-7+8x-9y-9z+8
72.3484 to 1 significant figure
semi circle area of 50m^2 what is the perimeter
|2x-5| > |x+1|
5x+6y-7z-6+7x-16y-12z-16+x-y+z-7
