What is the value of m in the equation 1/2m - 3/4n = 16 ,

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 heaviest 16% of all men in weight weigh more than how many pounds ?

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need