Solve using substitution.

x + 3y = -13
5x + 7y = -9

The difference between tax advoidance and tax evasion

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

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).