Anyone wanna chat on webex or google meet ( zoom doesn’t work for me for some reason)

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

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

I'm confused on this could anyone me and show me what i need to do to solve it.