What number must you add to complete the square? x^2 +4 =23a. 4b. 8c. 16d. 2

Someone . me. compound probability

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min if they did not stop driving, how many miles could kyle and elijah drive in a whole day? ? 1 day = 24 hours. plzzz i will give you 100 points