Answer:
They are The Same if you note 1 square = 1 square cm,They all are 10square cm
Answer:
C(h) = 1+.25h
Step-by-step explanation:
Total cost = flat fee plus .25 times h ( where h is the number of hours)
C(h) = 1+.25h
A*5+b*2=145
a +b =50 | * -2
5a +2b=145
-2a -2b = -100
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5a-2a = 145-100
3a= 45
a=45:3
a=15 questions are worth 5 p
b=50-15=35 questions worth 2 p
I think the answer is 6 if i'm not mistaken.
Check the picture below.
the quadrilateral is a parallelogram, thus the diagonals bisect each other, so, we could have used either diagonal, and get the same midpoint.