Which expressions are equivalent to 8 (-10 x + 3.5y-7)? Select two options. (P. S I'm in summer school and I'm trying not to fail, Plz help)

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula c= r/1.8 - 273, what is the temperature in celcius corresponding to r degrees rankine.

The center of a circle represent by the equation (x+9)^2+(y-6)^2=10^2 (-9,6), (-6,9), (6,-9) ,(9,-6)

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?