Ray BD bisects 2ABC. Use the diagram and the given angle measure to find m2ABC. (Keyword = BISECTS)

Ineed me i stuck and i don’t want to get it wrong

The test scores of 32 students are listed below. construct a boxplot for the data set and include the values of the 5-number summary. 32 37 41 44 46 48 53 55 57 57 59 63 65 66 68 69 70 71 74 74 75 77 78 79 81 82 83 86 89 92 95 99

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'