Which of the following is not a real number a. square root -4 b. square root 16 c. square root 1 d. square root 13

A. square root -4

Step-by-step explanation:

The answer is A because the square root of -4 is 2i which is an imaginary number.

-The square root of -4 is 2i (an imaginary number)

-The square root of 16 is 4

-The square root of 1 is 1

-The square root of 13 is ≈ 3.606

the answer

b. they are parallel and will never intersect.

answer: the answer is (b) amie should have multiplied

step-by-step explanation: given a sphere and a cylinder with same radius and height.

let, 'r' be the radius of the cylinder and sphere and 'h' be the height of the cylinder. according to the question,

r = h.

now, the volume of the sphere will be

and the volume of the cylinder will be

therefore, we have

thus, ammie should have multiplied the volume of the sphere