1. evaluate x/y for x=2/3 and y=5/6 a. 5/9 b. 4/5 c. 5/4 d. 9/5 2. what is the simplified version of the expression 3[14÷(4^2-3^2)-5] a. -9 b. 27 c. 21 d. 6

Do more republicans (group a) than democrats (group b) favor a bill to make it easier for someone to own a firearm? two hundred republicans and two hundred democrats were asked if they favored a bill that made it easier for someone to own a firearm. how would we write the alternative hypothesis?

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

Having a hard time understanding this question (see attachment).