Given that d is he midpoint of ab and k is the midpoint of bc, which statement must be true?

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

Which of the following exponential functions goes through the points (1, 6) and (2, 12)? f(x) = 3(2)x f(x) = 2(3)x f(x) = 3(2)−x f(x) = 2(3)−x