The bank offers free checking if your account has a balance of at least $500. Suppose you have $523.15 and you write a check for $51.96. How much must you deposit to avoid being charged a service fee?

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

Geometry: determine whether segment mn is parallel to segment kl. justify your answer. jm 6 mk 3 jn 8 nl 4

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180