Hiện nay hai kim đồng hồ chỉ 10 giờ . Sau ít nhất bao lâu thì hai kim đồng hồ nằm đối diện nhau trên một đường thẳng

Data are collected to see how many ice-cream cones are sold at a ballpark in a week. day 1 is sunday and day 7 is the following saturday. use the data from the table to create a scatter plot.

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Use the second shift theorem to find the inverse laplace transform of (e^−3s) / (s^2 + 2s − 3)