Sketch the graph of the equation. If the graph is a parabola, find its vertex. If the graph is a circle, find its center and radius.x = -(y - 4)2 - 1
A. vertex (1, -4)
B. vertex (-1, 4)
C. vertex (-4, 1)
D. vertex (-1, 4)
Answer: B
Mathematics
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Round to the indicated place value.Round to the nearest thousandth: 0.3899
A. 0.380 B. 0.390 C. 0.400 D. 0.399
Mathematics
Find the sum of the series.
A. 
B. 41
C. 70
D. 
Mathematics
Solve the problem.Last year, Maria earned 
per week. This year, her salary increased to 
per week. To the nearest tenth, what was the percent increase?
A. 89.6% B. 90.6% C. 10.4% D. 9.4%
Mathematics
Find the exact value of the expression. Do not use a calculator.csc 60° - sin 45°
A. 
B. 
C. 
D. 
Mathematics