What is the root of r^64
r^4
r^8
r^16
r^32

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.

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?