Answer:
C
Step-by-step explanation:
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Answer:
Answers are: (x+3)(x+5) = 0
So first zero: x+3 = 0 so x = -3
Second zero: x+5 = 0 so x = -5
so zeros are: x = -5 and -3
Step-by-step explanation:
Answer:
15/4
Step-by-step explanation:
multiply the whole number (3) by the denominator (4), then add the numerator (3) then put that over the denominator to convert any mixed number into an improper fraction.
Round the numbers to 70 and 30, then multiply them together to get the product of 2100
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 