The sum of 8a + 3b – 4c and 4a – 3b +c is оа
Ob
12a + 6b – 30
12a + 6b – 40
12a - 30
12a2 - 3c2
Ос
Od

Emma will roll two number cubes labeled 1 through 6. she will record the sum of the two numbers after each roll. she will roll the two cubes 540 times. how many times should emma expect the sum to equal 5?

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Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b.false