Stephanie spends 6 hours 45 minutes in school each day. Her lunch period is 40 minutes , and she spends a total of 20 minutes switching rooms between classes. The rest of the time Stephanie spends in her four classes that are the same length of time. How long is each class?

The sum of two numbers is 86, and their difference is 20. find the two numbers

Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no

Find the distance of the blue line between the two labeled points. round to the nearest hundredth. a) 7.07 b) 7.21 c) 10 d) 5.12