Triangle abc is an obtuse triangle with the obtuse angle at vertex b angle a must b a. less than 90b. greater than 90c. congruent to angle bc. congruent to angle c

Which one ? is the answer and how to find this answer

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

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?