Select all the things the prefrontal cortex you to do. delay gratification understand future consequences determine small from large control urges foretell the future work toward a goal

wire in brush may conduct electricity from cell to drill and vice versa electrc shock possible

see the picture for the vector

the magnitude of the vector by pythagorean theorem

r = √( (-10)^2 + (3)^2 ) = √109

magnitude = √109 units

the direction angle between vector and x-axis is

tan^(-1)(3/10) = 16.699

so the direction is approximately 16.7 degrees north of west

+15-35=-20

going in opposite directions