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The Mg2+ cation has:

Calcium phosphate is the primary ingredient in calcium supplements.   The formula is Ca3(PO4)2.  The charge of the cation and anion are:

Given the following information, complete the blanks in the table.   Z =  A =  32 Charge 2 – Number of protons ? Number of neutrons ? Number of electrons ? _______ _______ _______ _______

Organisms that use light for energy are called ________.

Find the sum or difference. Write the answer in standard form.(8- 7i) – (-9- 7i) – (-6+ 4i)

Decide whether the relation defines a function.{(-4, 1), (-3, -6), (3, -2), (3, 3)}

For the given functions f and g , find the indicated composition.f(x) =5x + 6,g(x) =5x – 1(f∘g)(x)

Find the slope and the y-intercept of the line.7x + 9y =62

Solve the equation.2×2=-12x -16

Solve the problem.In a milling operation, the thickness of the aluminium foil that can be produced satisfies the inequality  What range of thicknesses corresponds to this inequality?