What is in a charge for renting a machine 3.5 hours
a: $51.50
b: $59.50
c: $65.50
d: $86.50

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.

I’m which figure is point g an orthocenter

Find the area of the regular hexagon if a side is 20 cm.