Evaluate the root.

A. 22
B. 42
C. { }
D. 21


Answer: C

Mathematics

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Evaluate the expression.83

A. 11 B. 64 C. 24 D. 512

Mathematics

Simplify by adding or subtracting like terms.8x - x - 3x + x

A. x2 + 5x B. -x2 + 5x C. 7x D. 5x

Mathematics

Provide an appropriate response.A garden plot turned out to be a trapezoid whose parallel sides measured 18 feet and 42 feet respectively. The garden is 12 feet wide. What is the area of the garden plot?

A. 42 ft2 B. 360 ft2 C. 720 ft2 D. 9,072 ft2

Mathematics

Write the system in the form  Then solve the linear system by computing  with a calculator. Round numbers to the nearest tenth, as necessary.1.2x - 0.9y - 5.0z = 2.95.0x + 4.1y + 1.3z = -3.63.1x - 1.6y - 1.4z = 8.7

A. (1.5, -2.8, 0.3) B. (7.5, -13.9, 1.4) C. (6.0, -11.2, 1.1) D. (3.0, -5.6, 0.6)

Mathematics