Can you help me on this please don’t understand it please help thank you I need it now please

What scale factor was applied to the first rectangle to get the resulting image interior answer as a decimal in the box

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)

What are the excluded values? m+5/mn+3m