The first one is 31.875 and the second is 12 I don't know how to explain to get it. Sorry
Line SW is perpendicular to line RS, but not to line TV
AB and AB’ are congruent
BC and B’C are congruent
All angles are congruent to the original angles
Answer:
740 mg of calcium is the correct answer
Answer:

Step-by-step explanation:


