I need help. Does anyone understand this?

Find and classify the slope of the line through each pair of points (2,,-16)

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

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)