Which irrational number can be multiplied by - 41 to get a product that equals 1?

Can you divide 25 into 4 equal groups? explain why or why not.

Iknow the answer but the calculator doesn't seem to give the right one

Carla is saving money for a trip this summer. she already has some money in her savings account and will add the same amount to her account each week. at the end of 2? weeks, carla has? $130. at the end of 8? weeks, she has? $280. write a linear function in the form y=mx+b to represent the amount of money m that carla has saved after w weeks.