compare the subtraction problems 6/8 - 5/8 equals 1/8 + 6/9 - 7/9 equals 1/9 what is the answer to the first problem positive in the answer to the second problem negative check all that apply​

Point b lies between points a and c on . let x represent the length of segment ab in inches. use the segment to complete the statements. the value of x is . the length of in inches is . the length of in inches is .