Ineed with the first question what the answer?

0.66y = 0.9x + 0.48 if y has a value of 108.45 what is the value of x?

In a ni-cd battery, a fully charged cell is composed of nickelic hydroxide. nickel is an element that has multiple oxidation states. assume the following proportions of the states: nickel charge proportions found 0 0.17 +2 0.3 +3 0.33 +4 0.5 (a) determine the mean of the nickel charge. enter the answer to 2 decimal places.(b) determine the cumulative distribution function of nickel charge.

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?