Is 7a prime number or composite number?

What three-dimensional solid have 6 rectangular faces, 2 equal bases that are not rectangles and 18 edges

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

Perform the indicated operation and write the answer in the form a + bi. (-5 + 2) + (3 - 6i)