Chứng minh rằng biểu thức:
A =x(x-6)+10 luôn dương với mọi x

courtesan no naked yes

hope this ^_^

do you see a nakes

the 2 figures are congruent bc if you reflect abcd over the y axis then over the d axis the figures overlap

add an image, and i will answer

step-by-step explanation:

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation: