Can 21/44 be simplified

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Which rule describes the composition of transformations that maps △abc to △a”b”c

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.