just feel like posting myself if u have bad comments dont send if u want to report then its ok am just bored

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0