Answer:
3,2
Step-by-step explanation:
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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 
Step-by-step explanation:
Subtracting N by T
(3a2 + 2a - 5) - (2a2 + a + 6)
Subtracting like terms
a2 + a - 11
Answer:
y=2
Step-by-step explanation:
Hope it helps
Answer: First option is correct.
Step-by-step explanation:
Since we have given that

We first solve the brackets:
(16-9) = 7
Now, we multiply it with 4

Now, we add 3 to it:

Hence, the value of expression would be 31.
Therefore, First option is correct.