Solve the problem.An architect is using the concept of similar geometric figures and a small prototype model (shown on the right below) to design a cottage. For both the model and the actual cottage, the ratio of the height to the width (excluding the roof) is 24 to 48. If the height of the actual cottage is 8 feet, what is its width, w ?
A. 16 feet
B. 48 feet
C. 24 feet
D. 32 feet
Answer: A
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Rationalize the denominator. Simplify, if possible.
A. 12
+ 60
B. 12
- 5
C. 12
- 60
D. 
Solve the problem.A thermometer reading 
is brought into a room with a constant temperature of 
If the thermometer reads 
after 4 minutes, what will it read after being in the room for 7 minutes? Assume the cooling follows Newton's Law of Cooling: U = T + (Uo - T)ekt.(Round your answer to two decimal places.)
A. 69.99°F B. 99.69°F C. 50.31°F D. 25.23°F
With your calculator set to radian mode and polar graphics capability, graph the following function in the window specified.r = cos 3? - sin 2?, 0 ? ? ? 6?, [-2, 2] by [-2, 2]
A. 
B. 
C. 
D. 
Express the phrase as a ratio in lowest terms.120 cm to 60 cm
A. 
B. 
C. 
D. 