How to find complex roots of a 3rd degree polynomial?

Anthony has a sink that is shaped like a half-sphere. The sink has a volume of 4000/3*π in^3. One day, his sink clogged. He has to use one of two cylindrical cups to scoop the water out of the sink.

A shopper bought shoes marked $40. the sales tax is 8%. how much did the shopper pay in all

The mean of 8 observations is 40. If 5 is added to each observation, then the new mean will be a 35 b 45 c55 d 25

The base of a triangular prism is a right triangle whose legs are 7 cm and 24 cm. The height of the prism is 30 cm. What is the lateral area of the prism? Explain how you found your answer.

Using the inspection method, what constant term must the numerator of the rational expression have so (x + 6) is one of its factors? For the numerator to have (x + 6) as a factor, its constant term must be

Huilan is 15 years younger than Thomas. The sum of their ages is 33. What is Thomas's age?

What is the answer to - 5f=-3 (8-f)

In the school auditorium, the first row has 15 seats, the second row had 18 seats, the third row has 21 seats, and the fourth row had 23 seats. Suppose the pattern continues. How many seats are in the sixth row. A. 27 B. 30 C. 33 D. 36

Jake goes for a 1 hour and 15 minute bike ride every day. He begin his bike ride at 3:58 pm. What time will he finish riding his bike?

1 hundreth + 3 tenths