Answer:
95 students out of 125 students would be expected to have stleast one sibling
You combine like terms
Example: 5x^3+3x+1-4x^3-2x-1
The answer would be x^3+x
No, because 2 / 2 is not 3/4
We can calculate a side of a triangle if the side's opposite angle, another side and its opposite angle are known using the Sine rule:
a/sin(A) = b/sin(B) = c/sin(C)