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