Demonstrate that the digits of a perfect square cannot add to 2, 3, 5, 6, or 8.

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.

Amovie streaming service charges it’s customers $15 a month. martina has $98 saved up. will she have any money left over if she pays for the maximum amount of months she can afford? explain.

What is the simplified form of square root of 400 to the 100th power ?