Please help i dont understand!
Consider this right triangle with given measures.
What is the length of the missing leg?

6 ft

7 ft

51 ft

86 ft

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

Me with this one question, and i'll upvote the brainliest answer

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days