Answer:
412in
Step-by-step explanation:
Since there is two negative signs in the original equation, you need two negative signs in the equivalent one as well.
Because one of the negatives if before the fraction, it doesn't matter if the second negative is on the 13 or on the 12.
The answer is A.
It reflects across the x axis
Answer:

Step-by-step explanation:
GIVEN: On a
question test students gain
points for each correct answer and lose
points on each incorrect answer. If everyone required to give an answer to each question.
TO FIND: the formulas that describes how a student's raw score, r, depends on the number of correct answers he or she provided, c.
SOLUTION:
Total number of incorrect questions 
Total marks deducted due to incorrect question 
Total correct questions 
Total marks scored 
Total raw marks 


ormulas that describes how a student's raw score, r, depends on the number of correct answers he or she provided, c is 
Are You trying to find out the equivalent expression? or...