In your economics 101 class you have scores of 68,82,87 and 89 on the first four of five tests to earn a grade of a b or higher the average of the first five test scores must be greater than or equal to 80 find the minimum score that you can make on the last test and earn a b

Describe how fraction strips can you order fractions

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

What number is 7 units left of -15?