Harper has made a worksheet with different columns of financial data. in e7, she sees . in e12, she has the text “$23.” what can be known about the two cells in harper’s worksheet?

Ihave a singular monitor that is a tv for my computer. recently, i took apart my computer and put it back together. when i put in the hdmi cord and booted the computer to see if it worked, the computer turned on fine but the screen was blue with "hdmi no signal." i've tried everything that doesn't require buying spare parts, any answer is appreciated!