Write the equation of the parabola in standard form and find the vertex of its graph.

y=x^2+10x+16

a: y=(x+5)^2-9; vertex: (5,-41)
b: y=(x-5)^2+11; vertex: (5,41)
c: y=(x+8)(x+2); vertex: (10,16)
d: y=(x+5)^2-9; vertex: (-5,-9)
e: y=(x+5)^2+41; vertex: (-5, 41)

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?

How would you find the height of points on the circle? the topic is trigonometry.

Amotorboat maintained a constant speed of 12 miles per hour relative to the water in going 45 miles upstream and then returning. the total time for the trip was 8.0 hours. use this information to find the speed of the current.