exam
Maths Puzzle
Numerical Ability
Let A = (0,0), B = (4,2), C = (1,3), find the exact size of angle CAB. Justify your answer without your protractor.
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exam Other Question
evaluate each expression when a=9, b=-3, and c=7
1. 4a+7
2. c(c+3)
3. 7b+2a
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