Scores of an IQ test have a bell-shaped distribution with a mean of 100 and a standard deviation of 18. Use the empirical rule to
determine the following.
(a) What percentage of people has an IQ score between 64 and
136?
(b) What percentage of people has an IQ score less than 82 or
greater than 118?
(c) What percentage has an IQ greater than 136?

What is the size of the matrix resulting from

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?

How many grams the dog will eat in 3 days?