What is the equation of the line that is perpendicular to y = 2x – 4 and has a y-intercept of –2?
a.
x + 2y = –4
b.
y=-1/2x+2
c.
y=-2x-2
d.
2x + y = 2

Assume cd | ab are parallel. find m2. a) x= 50° (b) x = 70° c) x = 30° d) x = 60

Atoy company is considering a cube or sphere-shaped container for packaging a new product. the height of the cube would equal the diameter of the sphere . compare the volume to surface area ratios of the containers. which packaging will be more efficient? for a sphere, sa =4πr²

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