(choose any 2 questions and calculate the oxidation numbers of the atoms) Calculate the oxidation state of sulfur (S)
(a) SO2 - Calculate the oxidation state of sulfur (S)
(b) NH4 - Calculate the oxidation state of nitrogen (N)
(c) NaNO3 - Calculate the oxidation states of nitrogen (N)

You spin the spinner shown below once. each sector shown has an equal area. what is p(beaver ) p(beaver)? if necessary, round your answer to 2 2 decimal places.

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.

Rose and andrew are financing $128,000 to purchase a condominium. they obtained a 15-year, fixed-rate loan with a rate of 5.05%. they have been given the option of purchasing up to four points to lower their rate to 4.81%. how much will the four points cost them?