The last answer, because the class is being divided into four groups. So the class number is not known, thus it is represented by “w” and divided by four.
Answer:
x = 3
Step-by-step explanation:
2x - y = 4
x + y = 5
y = 5 - x
2x - (5 - x) = 4
2x + x - 5 = 4
3x = 9
x = 3
Answer:
it is 72...............
Step-by-step explanation:
Answer:
a.bh/2
b.b=A×2/h
c.12
Step-by-step explanation:
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