How to find the circumcenter of a triangle?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

The frequency table shows the results of a survey asking people how many hours they spend online per week. on a piece of paper, draw a histogram to represent the data. then determine which answer choice matches the histogram you drew. in order here is the.. hours online: 0-3, 4-7, 8-11, 12-15, and 16-19. frequency: 5, 8, 10, 8, 7 answer for the question is in the picture! : )

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