How many 1/16 pound servings of chocolate are in a 1/2 pound chocolate bar

What is the product? a-3/15a × 5/a-3

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.

Solve 13 + w/7= -18 (w/7 is a fraction)