What was Holmeberg's mistake

What is the area of the trapezoid shown ?

Who issued the ruling for the supreme court? dred scott roger b. taney abraham lincoln john c. calhoun

Which statement best summarizes the outcome of the haitian revolution? a. french colonists agreed to remain in haiti to the new countryplan its government.b. france gave up control of haiti, but it forced haitian leaders toallow slavery to continue.c. haiti established a short-lived democratic government, but it wassoon colonized again by spain.d. haiti became independent from france, but the fightingdevastated its economy.