Plss help. i’m not sure how to do this so please help. i’d appreciate it

In need of in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.

Henry's butcher shop uses an electronic scale that measures to 1/100 of a pound. which is the most accurate measurement based on the limitations of the scale that might be found on a package of meat sold by henry?