exam
Maths Puzzle
Numerical Ability
x+4 over 3x + 4y times 9x squard - 16y squared over 2x squared + 5x - 12
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exam Other Question
The engine coolant in a car cools exponentially with respect to time after the car is shut off. The function T=90(4/5)^(t/3)+10 represents the temperature, T, of the coolant in deg
solving equations containing parenthesis:
1. solve -[6x-(4x+8)]=9+(6x+3)
2. solve 4(x-2)+2(x+3)=6