Help please(: triangles

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32