For this problem, recall that 
means 
.
?
If 
, find 
.
?
A. 
B. 
C. 
D. 
E. 
Answer: D
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Solve. Write the answer as a mixed number in simplest form.A rectangular flower bed in front of a building measures 4
feet by 3
feet. What is the total area of the flower bed? Hint: The area of a rectangle is the product of the length times the width.
A. 12
square feet
B. 17 square feet
C. 16 square feet
D. 15 square feet
Find the linear function that is the best fit for the given data. Round decimal values to the nearest hundredth, if necessary.
A. y = 0.32x + 2.57 B. y = 0.30x + 2.57 C. y = 0.32x + 4.29 D. y = 0.30x + 4.29
Solve.For a hyperbolic mirror the two foci are 44 cm apart. The distance of the vertex from one focus is 6 cm and from the other focus is 38 cm. Position a coordinate system with the origin at the center of the hyperbola and with the foci on the y-axis. Find the equation of the hyperbola.
A. 
- 
= 5
B. 
- 
= 1
C. 
- 
= 5
D. 
- 
= 1
Add or subtract. Assume all variables represent positive real numbers.4
+ 
A. 12
B. 5
C. 4
+ 
D. 7