If z(t) = 2t2 + 7t – 4, find z(–2) and z(7). a. z(–2) = 11; z(7) = 101 b. z(–2) = –26; z(7) = 143 c. z(–2) = –2; z(7) = 241 d. z(–2) = –10; z(7) = 143

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.