What is the sign of B + A?

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

Which shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x