1.Simplify the following Expression
a. 5y^2+ 3y – 13 + 6x – 3y + 6y^2

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)

Which numbers have the same absolute value? choose all that apply. asap will mark at brainliest

4. a single woman uses an online cash flow calculator which reveals a cash flow of 203. what does this mean?