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arivanandan:

x^3 + y^3 = 468^4

I'mAPerson:

1) Solve the proportion: 4/ (x + 1) = 3/ (x + 2)

I'mAPerson:

1) Factor the expression: x^2 - 9

I'mAPerson:

2) Factor the expression: x^2 + 6x + 9

I'mAPerson:

3) Factor the expression: 2x^2 - 4x

I'mAPerson:

1) Write a quadratic equation that has the given solutions: 3 & 2.

I'mAPerson:

2) Wrie a quadratic equation that has the given solutons: 1 & 3.

bill:

excuse my ignorance or the missing of the necessary brain cell, what's the difference between sin^-1 and sinh as seen on scientific calculators for computers? It's been a long time since precalc.