What has the product of 54 and sum of -15

Let w=23 . what is the value of w + 45 ?

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5

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)