exam Maths Puzzle Numerical Ability

Solve the system by elimination method.

3(a-b) = 15,
4a = b+1

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exam Other Question

Addition and Subtraction of Rational Expressions

y^3 - 5y/6y - y^3 + y + 3/6y

y^2/y-4 - 4/y-4

2/ y + 3 / y-1
The path of a basketball shot can be modeled by the equation h = -0.09dē + 0.9d + 2 where h is the height of the basketball, in metres, and d is the horizontal distance of the ball