Solve for the requested variable.y varies directly as x, and y = 2 when x = 5. Find y when x = 45.
A. y = 
B. y = 
C. y = 
D. y = 18
Answer: D
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Use the table to determine the probability. Round your answer to three decimal places if necessary.The following table displays the age, in years, and sex for the residents of a retirement home.Age (years)? 60-69 70-79 Over 79Total Male0.19?0.10.11?? Female0.20.1?0.3?? Total???1What is the probability that a resident is in the age group 60-69?
A. 0.42 B. 0.405 C. 0.39 D. 0.37
Simplify the radical expression. Assume all variables represent positive real numbers.(
+ 3)(
- 3)
A. 5
B. -1
C. 17
D. 8 - 2
Find the vertex, focus, and directrix of the parabola with the given equation.(y - 4)2 = -16(x - 2)
A. vertex: (4, 2) focus: (0, 2) directrix: x = 8 B. vertex: (-2, -4) focus: (-6, -4) directrix: x = 2 C. vertex: (2, 4) focus: (6, 4) directrix: x = -2 D. vertex: (2, 4) focus: (-2, 4) directrix: x = 6
Make a scatterplot by plotting the four points.
What will be an ideal response?