130½% of $455 is what amount accurate to the cent?

For a sample of 100 students analyzing 4 predictor variables, what is the degrees of freedom for the numerator of the F-ratio equation?

A) 2
B) 3
C) 4
D) 100

Kristina can invest in a two-year GIC for 5.85% compounded monthly or 6% compounded annually. Which option pays the most interest? Support your answer with calculations.

The exchange rate between Currencies X and Y is currently Y0.05614 = X1.00. If X weakens by 1.5% relative to Y, what will be the new values for the exchanges rates per unit of X and per unit of Y?