Can you solve 2x^2 = 200 in the method completing the square

You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?

Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83