As part of a geometric design, Ariel draws a rhombus. She rotates the rhombus 180° around one of its vertices, then dilates the rhombus by a factor of 2. Which describes the relationship between the original rhombus and its image after the rotation and dilation?

What is the volume of the sphere shown below with a radius of 3?

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

Can someone check if i did this correct. it’s number 4 if you’re wondering.