Simplify the expression.(x4)3
A. 3x4
B. 3x12
C. x7
D. x12
Answer: D
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Solve the problem.A comet follows the hyperbolic path described by 
- 
= 1, where x and y are in millions of miles. If the sun is the focus of the path, how close to the sun is the vertex of the path? 
A. 39 million miles B. 4.5 million miles C. 1.7 million miles D. 6.2 million miles
Solve the problem.A new car dealership sold 270 cars in 2010, and sales are increasing by about 58 cars per year. Let s be the number of cars sold in the year that is t years since 2010. Find an equation for a linear model to describe this situation. Then solve that equation for t.
A. t = 
B. t = 
C. t = 
D. t = 
Provide an appropriate response.Decide whether the expression is positive, negative, or zero. 
A. Positive B. Negative C. Zero
Solve the problem.The parking lot at a grocery store has 50 cars in it. 34% of the cars are sedans. How many cars are sedans?
A. 147 cars B. 15 cars C. 170 cars D. 17 cars