A river flows due south at 100 ft/min. A motorboat that travels 450 ft/min in still water is headed due east across the river.
Find the resultant speed of the boat

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

We just started the introduction into circles and i have no idea how to do this.