Round to the indicated place.According to a study, life expectancy has increased by 35.45 years over the past century. Round this decimal to the nearest year.
A. 35.45
B. 35.5
C. 40
D. 35
Answer: D
Mathematics
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Solve the equation.4x = -4
A. {-4} B. {-1} C. {4} D. {1}
Mathematics
Use the given values of the variable to make a vertical table of solutions for the equation.y = 2x, x = -4, 0, 4, 8
A. 
B. 
C. 
D. 
Mathematics
Without using a calculator, determine the system of inequalities needed for the calculator-generated graph.
A. x2 + y2 ? 16 x ? 0 B. x2 + y2 ? 16 y ? 0 C. x2 + y2 ? 16 y ? 0 D. x2 + y2 ? 16 x ? 0
Mathematics
Provide an appropriate response.A company produces 207,000 small appliances in one year. Write this number in scientific notation.
A. 20.7 × 104 B. 2.07 × 106 C. 2.07 × 10-5 D. 2.07 × 105
Mathematics