5 2/3 ÷ 3/2 =? what are the simplest form of the answer to this question and the answer of the question

Need to increase the numbers of customers i talk to daily by 20% how many customers do i need to talk to if i talk to a average of 8 customers per hour during an 8 hour shift

Find the difference (8ab+a+2) - (3ab+6)

Ill mark the brainliest if you me with the these three questions 7,8,9