URGENT!! I need help with these questions ASAP. Please show work and please do not just write random stuff and collect points I have put this same thing up 5 times because of that :/

Me ! a 2 µc charge q1 and a 2 µc charge q2 are 0.3 m from the x-axis. a 4 µc charge q3 is 0.4 m from the y-axis. the distances d13 and d23 are 0.5 m. find the magnitude and direction of the resulting vector r. round your answer to the nearest tenth.

Which feature indicates that mars resides in the inner region of the solar system

Asmall 21 kilogram canoe is floating downriver at a speed of 1 m/s. what is the canoe's kinetic energy?