În triunghiul ascuțitunghic ABCABC, punctul HH este ortocentrul său. Dacă măsura unghiului \angle BHC∠BHC este 130^{\circ}130 ∘ , iar \dfrac{\angle ABC}{5}=\dfrac{\angle ACB}{8} 5 ∠ABC ​ = 8 ∠ACB ​ , atunci măsura unghiului \angle ABC∠ABC este: bai baietei si fetite lasati ph ul si ajutati-ma si pe mn ca scoate diriga cureaua . Daca nu ma ajutati muie

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.