53x-9 divided by 7.6x

how do u do this

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

Given: ∆mop p∆mop =12+4 3 m∠p = 90°, m∠m = 60° find: mp, mo