Use a calculator to evaluate the expression. Round your answer to the nearest thousandth.
A. -0.109
B. -0.063
C. -0.071
D. -0.058
Answer: A
Mathematics
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Find the equations of the system shown on the graphing calculator screen.10
-10
A. 5x + y = 20 2x - y = 1 B. y = 2x + 1 y = -0.3x - 5.9 C. x + y = 1 x - 3y = -9 D. x + 4y = 22 x - 2y = -8
Mathematics
Find the sum.-82 + (-21)
A. -61 B. 61 C. 103 D. -103
Mathematics
Provide an appropriate response.Identify the greatest common factor (GCF) of 2x2 + 4x.
A. 2 B. 4x C. x D. 2x
Mathematics
Use a proportion to solve the problem. Round to the nearest tenth as needed.A triangle drawn on a map has sides of lengths 8 cm, 10 cm, and 15 cm. The shortest of the corresponding real-life distances is 136 km. Find the longest of the real-life distances.
A. 170.0 km B. 255.0 km C. 160.0 km D. 265.0 km
Mathematics