A. show that the choice of an ordered pair to use (x1,y1) does not affect the slope of the line through (2,3) and (-3,5) b. show that y2-y1 = y1-y2
x2-x1 x1-x2

i think it is d korean

i can

explanation:

254.34

step-by-step explanation:

the formula for area of a circle is given by

a = pi * r^2

a = pi * 9^2

a = 81*pi

using 3.14 as an approximation for pi

a = 3.14*81

a = 254.34

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