19 T = 1 -
m= 120 correct to 3 significant figures
F = 25.6 correct to 1 decimal place
By considering bounds, work out the value of I to a suitable degree of accuracy.
Give a reason for your answer.
You must show all your working.

Write two subtraction equations that are equivalent to 5 + 12 = 17.

What is the multiple zero and multiplicity of f(x) = (x ? 3)(x ? 3)(x + 5)? multiple zero is 3; multiplicity is 2 multiple zero is 5; multiplicity is 1 multiple zero is ? 5; multiplicity is 1 multiple zero is ? 3; multiplicity is 2

What is the area of the triangle 10 13 12