Solve the problem.A triangle has a base of 
and a height of 
. What is the best estimate for its area?
A. 40
B. 44
C. 495
D. 49.5
Answer: B
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Simplify the expression. ? 3(9 - 4) ?
A. 15 B. 14 C. 11 D. 17 E. 18
Solve the problem.The same number of people moved to Gill Rock each month for the last six months. If a total of 138 people moved, how many moved each month?
A. 23 people B. 46 people C. 34 people D. 138 people
Graph the function as a solid curve and its inverse as a dashed curve.f(x) = 5 - x2 for x ? 0 
A. 
B. 
C. 
D. 
Solve the problem.Halley's comet has an elliptical orbit with the sun at one focus. Its orbit shown below is given approximately by 
In the formula, r is measured in astronomical units. (One astronomical unit is the average distance from Earth to the sun, approximately 93 million miles.) 
Find the distance from Halley's comet to the sun at its shortest distance from the sun. Round to the nearest hundredth of an astronomical unit and the nearest million miles.
A. 5.36 astronomical units; 499 million miles B. 585 astronomical units; 54,405 million miles C. 5.31 astronomical units; 494 million miles D. 10.72 astronomical units; 997 million miles