Julio cubes a number and then the cube root of the result. he ends up with 20.what number did julio start with

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.