Which functions are decreasing? select all answers that are correct.

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.

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

27 is what percent of 108? 27 is % of 108