Ineed out of fifty students, twenty five are taking math competition classes and 29 are taking geometry. given that 12 are taking history and no math classes and nineteen students are in both math classes. a. how many students are in neither class? if you , i'll mark you the brainliest !

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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?

The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212