Write a word problem that must be solved with division and includes 2/7 as the dividend and 4 as the divisor.

Which of those sequences is a geometric sequence

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.

Solve x+3y=6 and 4x-6y=6 by elimination . show work !