A) The slope from O to point A is 1/3 time the slope of the line from point A to B B) it is 3 throughout the line

C) it is 1/3 throughout the line

D) does soap from .0 2.8 is three times the slope of the line from point A to B

78.59 is the mean

step-by-step explanation:

we have three similar triangles, because each has a right angle and shares an angle.   let's write the angles in order: opposite to short leg, long leg, hypotenuse.

cab similar to bad similar to cbd

or as ratios,

ca: ab: cb = ba: ad: bd = cb: bd: cd

we also know

ac = ad + cd

(ad+cd): ab: cb = ba: ad: bd = cb: bd: cd

(ad+cd)/cb=cb/cd

we have cb=6, ad=5 and seek x=cd.

we reject the negative root and conclude x=4

answer: 4