I need help please I think the answer is 9 but I'm not sure

Simplify.7x + 3y - 2 + 6x + 1 + y squared 2 you! ; )

Given right triangle xyz, which correctly describes the locations of the sides in relation to

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?