Find the inverse of y=0.3^x

Due by May 29 and I’m terrible at math, so if you could also explain that’d be absolutely wonderful!

What two consecutive odd integers have a sum of -28

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

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