In a class of 20 students, it of them are girls and the rest are boys. How many
boys are in that class?
A. 4 boys
B. 5 boys
C. 10 boys
D. 15 boys

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Aparallel system functions whenever at least one of its components works. consider a parallel system of n components, and suppose each component works independently with probability 0.5. find the conditional probability that component n works given that the system is working

The triangles are similar. what is the value of x? show your work.

Evaluate this using ! 0.25^2 x 2.4 + 0.25 x 2.4^2 − 0.25 x 2.4 x 0.65