*in ∆abc, on the extension of the side bc , draw a line segment cd ≅ ca . draw the segment ad . the line segment ce is the angle bisector of ∠acb. the line segment cf is the median towards ad in ∆acd. prove: cf ⊥ ce

$5.41

step-by-step explanation:

$20 - $14.51 = $5.49.

answer: y=0 if that is what u r looking for

answer: first option i.e. 'a' is correct.

step-by-step explanation:

since we have given that

number of minutes to wrap a small gift box = 4 minutes

we need to find the number of gifts to be wrapped in 5 minutes

since there is a direct variation, as the number of minutes will increase with   number of gifts to be wrapped.

so, let the number of gifts to be wrapped in 5 minutes be x.

so, it becomes,

hence, first option 'a'   is correct.