Perform the indicated operations. Round the result to the nearest thousandth if necessary.Subtract 0.387 from 12
A. 12.387
B. 11.613
C. 11.713
D. 11.113
Answer: B
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Solve the problem.If John puts 
lb of roast beef on each sandwich, how many sandwiches can he make from 
of roast beef?
A. 3 sandwiches B. 4 sandwiches C. 5 sandwiches D. 15 sandwiches
By making a table of both the left and right sides of the equation, conjecture if the equation represents an identity. cos2 ? + cot2 ? + sin2 ? = csc2 ?
A. Yes B. No
Solve the problem.A new car dealership sold 291 cars in 2000, and sales are increasing by about 50 cars per year. Let s be the number of cars sold in the year that is t years since 2000. 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 = 
Solve the equation in part (a) graphically, expressing the solution to the nearest hundredth. Then, use the graph to solve the associated inequalities in parts (b) and (c), expressing endpoints to the nearest hundredth.(a) 
= 0; (b) 
> 0; (c) 
< 0
A. (a) {-7.47} (b) (-7.47, ?) (c) (-?, -7.47) B. (a) ? (b) (-?, ?) (c) ? C. (a) {-28.53} (b) (-28.53, ?) (c) (-?, -28.53) D. (a) {-28.53} (b) (-28.53, 0) ? (0, ?) (c) (-?, -28.53)