9x -7u > 9x -21u
solve please :)

What value of x is in the solution set of –5x – 15 > 10 + 20x?

(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 .

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i