A stage crew is assembling a three-level semi-circular platform on a stage for a performance. The platform has the dimensions shown in the diagram. What would the value of x have to be for the platform to have a total volume of 427π cubic feet. Will mark brainliest

anyone? find the second, fifth, and ninth terms of a sequence where the first term is 65 and the common difference is -7. 72, 93, 121 72, 79, 86 58, 37, 9 58, 51, 44

What is the value of y? round to the nearest tenth

Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.