Of the 12 people attending a seminar, 4 have blond hair. What is the probability that a randomly selected person will have blond hair?
Write your answer as a fraction or whole number.

Let f of x equals the integral from 1 to 3 times x of the natural logarithm of t squared. use your calculator to find f″(1).

Me with these questions , i don’t understand scientific notation!

Which statement is correct? the range of the graph is all real numbers greater than or equal to 0. the domain of the graph is all real numbers greater than or equal to 0. the range and domain of the graph are the same. the domain of the graph is all real numbers