Which of the following is not a common sign of impaired driving? a. driving with headlights off at night b. failure to signal c. driving with the hazard lights activated d. driving too slow

*edit* i took the test and i picked a and it was incorrect for its c! rank the following suggestions for preventing std, in order of increasing effectiveness. 1) using latex condoms properly 2) using spermicidal foam or jelly with a monogamous partner 3) abstaining from sexual intercourse and genital contact a. 1, 2, 3c. 2, 1, 3