Which property of multiplication or addition was used to rewrite 5(2−7) as (2−7)5 ?

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Solve this 364x-64x=300x and 12(x2–x–1)+13(x2–x–1)=25(x2–x–1)