A piece of iron at 82 °C is placed in water and its temperature drops to 24 °C. The amount of heat lost by the iron was 4,387 joules. If the specific heat
capacity of iron is 0.451 J/g °C, what is the mass of the iron sample?

1. what is the formula for finding the vertical distance between two points on a coordinate plane?

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

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