Given the arithmetic sequence a1,a2,a3,a4 45, 58, 71, 84 what is the value of a43?

Find the center of the circle that can be circumscribed about efg with e(4,4) f(4,2) g(8,2)

Which statement about 6x2 + 7x – 10 is true?

Nina has prepared the following two-column proof below. she is given that ∠oln ≅ ∠lno and she is trying to prove that ol ≅ on. triangle oln, where angle oln is congruent to angle lno nina made two errors in the proof. identify and correct the errors.