Which property is this equation equal to? (sorry if i worded that weird!) 15 + (5 + 7) = (15 + 5) + 7

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

Which statements about these triangles is true

The owners of four companies competing for a contract are shown in the table below. if a report is released that advocates company b, which of the people having funded the report should result in the most skepticism? company owner of company company a jake adams company b company c company d debby smith henry rose rhonda baker o a. jake adams o b. rhonda baker o c. debby smith o d. henry rose