The manager of the customer service division of a major consumer electronics company is interested in determining whether the customers who have purchased a blu-ray player made by the company over the past 12 months are satisfied with their products. the possible responses to the question "what is your annual income rounded to the nearest thousands? " will result in a/an scale variable.
a. nominal.
b. ordinal.
c. ratio.
d. interval.

$527.7.if the following was the question  $527.7 is the answer.students who are trying to raise funds have an agreement with a local pizza chain. the chain has agreed to sell them pizzas at a discount, which the students can then resell to families in the local community for a profit. it is expected that of the 500 families in the community, at most 70% will buy pizza. based on a survey of their personal preferences, the students believe that they should order no more than 120 cheese pizzas, no more than 150 pepperoni pizzas, and no more than 100 vegetarian pizzas. they also want to make sure that at least 20% of the total pizzas are cheese and at least 50% of the pizzas are pepperoni. they make a profit of $1.45, $1.75, and $1.98, respectively, for each cheese, pepperoni, and vegetarian pizza they resell. how many pizzas of each type should they buy?

If u don't know the answer, always guess "c"