Ratio and proportion :21:2x=7:10

Fiona has to plot a histogram of the given data

On monday, the temperature was 6 degrees cooler than it had been on sunday, on tuesday the temperature rose 4 degrees from monday. wednesday's temperature was cooler than tuesday's, but not as cool as it was on monday. which answer choice shows a reasonable answer for the difference in temperature on wednesday, as compared to the temperature on sunday? a) -10 degrees b) -7 degrees c) -4 degrees d) -2 degrees

What of the following best describe xw