Use the graphs of f and g to evaluate the composite function. (fog)(-4)

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

The probability that you roll a two on a six-sided die is 1 6 16 . if you roll the die 60 times, how many twos can you expect to roll

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)