Which polynomial equations have - i as one of their roots?

1. x^3 + 5x^2 - 20 = 0

2. x^3 - x^2 + x - 1 = 0

3. x^3 + 3x^2 + x + 3 = 0

4. x^3 - 2x^2 + x - 2 = 0

5. x^3 - 6x^2 - 16x + 96 = 0

The longer leg of a right triangle is 4cm longer than the shorter leg. the hypotenuse is 8cm longer than the shorter leg. find the side lengths of the triangle

Which of the following expression is equivalent to m+m+m+m+m? A. M+5 B. 5m C. m5 D. 5 (m+1)

Carmen has taken out a loan for $800 to buy a car. She plans to pay back the loan at a rate of $40 per month. Ramona has borrowed $500 to buy a car, which she plans to pay back at a rate of $20 per month.

3) A toy company is packaging its toys to be shipped. Each toy is placed inside a cube-shaped box with side lengths of (1) / 8 in. These smaller boxes are then packed into a larger box with dimensions of (1) / 4 x 1 (3) / 4 x 2 (1) / 2.

Does a rhombus have parallel lines

Lewis needs 1/8 quart of paint to cover 10 square yards. How many square yards can he paint with 4 quarts of paint?

It is recommended that you have 8 servings of water per day. A serving of water is about 237 mL. If Carmelo drank 7 servings, about how many liters of water did he drink?

What is 5,000 in scientific notation?

Which of the following is correct set notation? (1,2,3) 1,2,3 {1,2,3} none of the above

The kindergarten teacher wants to divide 1/2 of her classroom into 5 equal sections for stations