Find an equation for the ellipse described.Foci at (2, 5) and (-8, 5); vertex at (-9, 5)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: B
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Provide an appropriate response. Use the tangent function to find A of a standard right triangle ABC given a = 14 m and b = 17 m. Round to the nearest 0.1°.
A. 34.6° B. 39.5° C. 55.4° D. 50.5°
Factor completely, or state that the polynomial is prime.9x5 - 9x
A. 9x(x4 + 1)(x2 + 1)(x + 1)(x - 1) B. 9x(x2 + 1)(x2 - 1) C. 9x(x2 + 1)(x + 1)(x - 1) D. prime
Find the expected value.A car agency has found daily demand to be as shown in the table.
Find the expected number of customers.
A. 9 B. 12 C. 10 D. 2
An arc of length 3 feet is cut off by a central angle of 
radians. Find the area of the sector formed.
?
If the answer needs rounding, round it to three significant digits.
?
A = __________ ft2
What will be an ideal response?