Find the LCD. Build up the fractions to equivalent fractions having the LCD as the denominator.
and 
A. 
and 
B. 
and 
C. 
and 
D. 
and 
Answer: A
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Solve the problem.An experiment in a wind tunnel generates cyclic waves. The following data is collected for 60 seconds: 
Let V represent the wind speed (velocity) in feet per second and let t represent the time in seconds. Write a sine equation that describes the wave.
A. V = 42 sin (60t - 30) + 21
B. V = 58 sin(60t - 30) + 16
C. V = 21 sin 
+ 37
D. V = 58 sin 
+ 16
Solve the problem.Jack went to two dealerships to find the best deal on the truck he plans to purchase. From which dealership should Jack buy the truck so that the total cost of the truck is the least expensive?
A. Dealership 1 B. Dealership 2
Determine the degree of the polynomial.9m3 - m2 - 9m + 15
A. 2 B. 4 C. 6 D. 3
Convert the rectangular equation to polar form.x2 + y2 - 4x = 0
A. r = 
B. r = 
C. r = 4 sin ?
D. r = 4 cos ?