60 dollars rounded but it's really answer is 59.80 dollars
Answer:b 1/2
Step-by-step explanation:
Answer:
it defines an important concept of standard deviation used in probability theory and statistics. It has a major use in the formula for roots of a quadratic equation; quadratic fields and rings of quadratic integers, which are based on square roots, are important in algebra and have uses in geometry.
The solution set is answer A.