−k+2(−2k−5)

please answer

Add 1/7 + -1/7 your answer should be reduced to its smallest form and should not be an improper fraction

How do you write 600 as a product of its prime factors (index! )

Answer 20 points and brainiest ! on the board, your teacher writes an example of how to find the median. one of the numbers is erased, leaving what is shown, 18, 30, 26,12 22. what is the median? a. 10 b. 20 c. 24 d. 28