Una solución tiene un valor de pH=5 Cuál es la concentración molar de OH-?​

For one history test, keith had to answer 40 questions. of these 40 questions, keith answered 28 of them correctly. what percent did keith get on his history test? round your answer to the nearest tenth if necessary

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?