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If chord ab is congruent to chord cd, then what must be true about ef and eg?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

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)