Worth 50 points: click the link. i will give brainliest and . i don't need an explanation for the 2 answers, i just need the 2 answers.

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

What sums are equal to 6/12? choose all answers that are correct a.6/12+6/12+6/12+6/12+6/12+6/12 b.2/12+1/12+1/12+2/12 c.5/12+1/12 d.1/12+1/12+1/12+3/12 plz : )

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.