What’s a equivalent expression for .75 (10 + 15) - 3

Use the grouping method to factor x^3+ x^2 + 3x +3

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)

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top