Please help! Simplify -4/3 divided by 2/-6

If myesha works overtime, she gets paid "time and a half" for every hour she works. in other words, for every hour over 40 hours myesha works each week, she gets her hourly pay plus half her hourly pay. what is myesha's pay per hour when she works overtime?

If you have the following equation, 2/3x+5/6-x=2-3/4x what would you multiply each term by to get rid of all the fractions

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'