Some book are to be shared between 2 schools A and B in the ratio of 4:7 if school B received 90 books more than school A, calculate

Which statement explains how you could use coordinate geometry to prove that quadrilateral abcd is a parallelogram? -5 -4 -3 -2 -1 t 1 2 3 4 prove that all sides are congruent and have slopes that are opposite reciprocals prove that segments ad and ab are congruent and parallel prove that opposite sides are congruent and have equal slopes prove that segments bc and cd are congruent and parallel

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)

Which statements are always true regarding the diagram? check all that apply. m3+ m 4 = 180° m2 + m 4+ m26 = 180° m2 + m 4 = m 25 m1+ m2 = 90° m4+ m6 = m22 m2 + m 6 = m 25