A boat leaves a dock at point a and travels for a distance of 15km to point B of a bearing of 135 "Do part B only please"

The production line where you work can assemble 5 appliers every 30 minutes at this rate how long should it take the line to assemble 125 amplifiers

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

7x+8y=-18, 4x-9y=-3 solve the system of equations