Consider the quadratic function y=x^2-4x-5. how many solutions does the equation have

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Acircle has a circumference of 28.36 units what is the diameter of the circle

Exclude leap years from the following calculations. (a) compute the probability that a randomly selected person does not have a birthday on october 4. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability that a randomly selected person does not have a birthday on the 1st day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability that a randomly selected person does not have a birthday on the 30th day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (d) compute the probability that a randomly selected person was not born in january. (type an integer or a decimal rounded to three decimal places as needed.)