Find an equation for the ellipse described. Graph the equation.Foci at (1, 4) and (7, 4); length of major axis is 10
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
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
Find any missing lengths in the similar figures.
A. x = 25 B. x = 19 C. x = 12 D. x = 20
Provide an appropriate response.Determine the measure of the acute angle ? for which csc ? = 
.
A. 90° 
B. 60° 
C. 45° 
D. 30° 
Solve the problem.Ace Cable charges $27 for the basic service plus $8 for each movie channel. Let f(x) be the total cost, in dollars, of subscribing to Ace Cable and including x movie channels. Write a formula for f(x).
A. f(x) = 8x - 27 B. f(x) = 27x + 8 C. f(x) = 27x - 8 D. f(x) = 8x + 27