Find an equation of a line that is tangent to the graph of f and parallel to the given line. function:f(x)=x^3
line 12x-y+1=0

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

What is the value of x in the this question ?

Triangle knm is what is true about the sides of knm