A row operation is performed on a matrix as shown below. [ 2 -1 1 | 4 ] [0 -3 x | -18 ]
[ 1 1 1 | 11 ] --> [ 1 1 1 | 11 ]
[4 -2 2 | 5 ] [4 -2 2 | 5 ]

What is the value of x?
a. -2
b. -1
c. 0
d. 3

Given the statements, "a square root of 16 is 4," and "a square root of 9 is -3," complete the following blanks with the correct truth-values. p is and q is , so the statement, "a square root of 16 is 4 or a square root of 9 is -3" is .

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²

The volume of the sun is approximately 1 × 10^18 cu km, while the volume of jupiter is approximately 1 × 10^15 cu km. which of the following is true? a. the volume of jupiter is approximately one thousand times the volume of the sun. b. the volume of jupiter is approximately one hundred times the volume of the sun. c. the volume of the sun is approximately one thousand times the volume of jupiter. d. the volume of the sun is approximately one hundred times the volume of jupiter.