Which set of measures could NOT be the side lengths of a right triangle?? A) 30cm, 40cm, 50cm
B) 10cm, 20cm, 30cm
C) 18cm, 24cm, 30cm
D) 30cm, 72cm, 78cm

b

Step-by-step explanation:

100 plus 400 doesn't equal 900

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb

child does not get an education so she can use the molla on junk