The expression (4 b^{2} c^{-4})^{-5} (5 b^{2} a^{3})^{-4} equals na^rb^sc^t
where n, the leading coefficient, is: ____
and r, the exponent of a, is: ____
and s, the exponent of b, is:...

The cost P, in dollars, to produce graphing calculators is given by the function C (X) = 53X + 2000, where X is the number of calculators produced.
a) Identify the dependent and independent...

Suppose that Q varies jointly with x and the square of y.
A) When Q = 96, X = 2 and Y = 4. Find constant of proportionality, K
B) Find Q when x = 2 and y=3

If the voltage, V, in an electric circuit is held constant, then the current, I, is inversely proportional to the resistance, R.
A) If the current is 210 amperes when the resistance is 4 ohms,...