Hali

A pharmacist wishes to mix a solution that is 6% Minocidil. She has on hand 60 ml of a 3% solution and wishes to add some 8% solution to obtain the desired 6% solution. How much 8% solution should she add?

please help me... 1. When squaring a complex number using De Moivre's theorem, there are two answers. TRUE FALSE i think it's true, but I'm not sure. thanks.

Another question... Which of the following expressions is a sixth root of unity? 1. i 2. -1 3. -i 4. All of the above are correct I appreciate the help.

Ms. Hardin invested $60,000 in three stocks. The first year, stock A paid 7% dividends and increased 4% in value; stock B paid 8% dividends and increased 5% in value; stock C paid 9% dividends and increased 3% in value. If the total dividends were $4620 a...

thank you

thank you so much!!!

Maths