A ship sails 6 miles south then turns and sails 7 miles
west. How far does the
ship have to sail to get back
to where it started?

-18

step-by-step explanation:

because mean value defines that total sum value over total number of set

10/60

step-by-step explanation:

if you divide 10 by 60 the answer is 0.166666 while if you divide or solve the other problems it equals 0.6

δabc ≅ δdcb by sas because

db ≅ ac . . given (side)

bc ≅ bc . . reflexive property (side)

∠dbc ≅ ∠ acb . . alternate interior angles where transversal bc crosses parallel lines bd and ac (included angle)