On which interval is the function decreasing? A)40 to 44 seconds
B) 56 to 60 seconds
C) 64 to 66 seconds
D) 72 to 76 seconds

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.