Sign in if y = 6, what is the value of 5y?
a. 1
b. 11
c. 30
d. 56

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 curved part of the figure is the semicircle what is the best approximation for the area of this figure

What is the measure of angle a and angle c ?