Combinations of 7 taken 4 at a time.
C (7,4) = 7! /[ 4!(3!)]
7 x 6 x 5 = 210
210 divided by 3 = 70
70 divided by 2 = 35
Answer:
B he used the incorrect formula for the volume of the prism
Answer: 
Step-by-step explanation:
Given
Function is 



from (i) and (ii) we get

Answer:
the equation of the line is y=-3x+1
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