Joey measured the desk and got 60 cm. The actual measurement of the desk was 58 cm. Which expression will give me the percent error of Joey's measurement? (the "/" represents the fraction bar)

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?

Average acceleration: i have no idea how to do this.

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?