Find the distance between (-8,-2) and (6,-1) round to the nearest hundredth

Which equation and solution can be used to solve this problem? thirteen less than a number is sixteen. 13-n=16: add 13 to both sides. the answer is 29. n+13=16: subtract 13 from both sides. the answer is 3. n+16=13 subtract 13 from both sides. the answer is 3. n-13=16: add 13 to both sides. the answer is 29.

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55

Find the distance between the pair of points a(-1,8) and b(-8,4)