Geom Unit 2A Common Unit Assessment | 11 of 16 Given ZCBD CBFE. Prove LABF LBFE. Statement Reason CBD BFE Given CBD ABF ZABFBFE Which of the following reasons could be used to correctly complete the proof? Select all that apply. O A congruence of angles is reflexive OB. congruence of angles is transitive C. congruence of angles is symmetric D. definition of congruent triangles E vertical angles are congruent

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.

Asequence has its first term equal to 4, and each term of the sequence is obtained by adding 2 to the previous term. if f(n) represents the nth term of the sequence, which of the following recursive functions best defines this sequence? (1 point) f(1) = 2 and f(n) = f(n − 1) + 4; n > 1 f(1) = 4 and f(n) = f(n − 1) + 2n; n > 1 f(1) = 2 and f(n) = f(n − 1) + 4n; n > 1 f(1) = 4 and f(n) = f(n − 1) + 2; n > 1 i will award !

How many quarts of a 50% solution of acid must be added to 20 quarts of a 20% solution of acid in order to get a 40% solution of acid?