Please answer 43 thank you

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

Find the solution to this system 2,1 1,-2 1,2 -1,2

Estimate the time en route from majors airport (area 1) to winnsboro airport (area 2). the wind is from 340° at 12 knots and the true airspeed is 136 knots. magnetic variation is 5° east.