Fill in the blank with the phrase that makes the proof statement true.

Lines m and n are parallel. Angle 1 is congruent to angle 2 by the Corresponding Angles Postulate. Angle 1 is congruent to angle 3 because they are vertical angles. by the Transitive Property.

A. Angle 2 is congruent to angle 3

B. Angle 3 is supplementary to angle 1

C. Angle 2 is congruent to angle 1

D. Angle 1 is complementary to angle 2

i think the answer is b.

step-by-step explanation:

not 100% sure though.

answer: on kudzu, being female and being green are independent events.

step-by-step explanation:

hello from mrbilldoesmath!

answer:

(7 x + 6 y) (49 x^2 - 42 x y + 36 y^2)

discussion:

the trick is to recognize that 343 = 7^3 and 216 = 6^3 and, in general,

a^3 + b^3 =   (a + b) (a^2 - a b + b^2).

in our case

343x^3+216y^3   =   (7x)^3 + (6y)^3

so take a = 7x and b = 6y in the above equation to get the answer.

you,

mrb