There are k people in a room. what is the probability that at least two of these people have the same birthday, that is, have their birthdays on the same day and month of the year? what is the smallest value of k such that the probability is 1/2 or better that at least two of the people have the same birthday?

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a.the profit when the unit price is equal to 0b.the unit price(s) when the profit is equal to 0c.the profit when the unit price is greatestd.the unit price(s) when profit is greatest

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?

Choose the more precise measurement. 26.4 cm or 8.39 cm