Factor u⁴+7u²-8 honestly I'm just confused how to solve ;-; I see the answer is (u-1)(u-1)(u²+8) but I'm not sure how to show the work.

Which rational number could be graphed between -4 and -5

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?

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?