If a(x, y), b(x2, y), (хз у), and dxд, уд) form two line segments, ab and cd, which condition nееdѕ tо bе mеr tо рrоvе аварг
а. у. - у у , у 1
х4 - x, x, - х.
в. у. -у, х4-x) - 0
y, - x, x, -х,
ос. у4 - уу - у -1
x,-x, x, -х,
ср. у, -у, - x, - х 1
х. - x, y4 - у,
е. у4 - у x4 - х = 0
y, - x, x, -х,
uestion serial: mc-3b8e-7d0b-c41a

Mozart lenses inc. recently introduced seelites, a thinner lens for eyelasses. of a sample of 800 eyeglass wearers, 246 said they would purchases their next pair of eyeglasses with the new lenses. lenses inc. estimates that the number of people who purchase eyeglasses in a year is 1,700,000. most eyeglasses wearer buy one new pair of eyeglasses a year. what is the annual sales potential for the new lenses.

The school track has eight lanes. each lane is 1.25 meters wide. the arc at each end of the track is 180. the distance of the home straight and the radii for the arcs in the 1st 4 lanes are given. s=85m r1=36.5m r2=37.75m r3=39m r4=40.25m part one: find the radii of lanes 5 through 8 of the track. show your work. part two: if max ran around lane one, how far did he run? show your work and explain your solution. part three: max wants to run a total of three laps around the track, choose two additional lanes (2-8) for him to run and find the distance around those two lanes. show your work and round to the hundredths. part 4: based on your lane choices in part three, what was the total distance max ran in the three laps around the track?

Sally deposited money into a savings account paying 4% simple interest per year.the first year,she earned $75 in interest.how much interest will she earn during the following year?