Solve the problem.A rectangle has a length of 
and a width of 
. What is the best estimate for its area?
A. 189
B. 200
C. 180
D. 210
Answer: C
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Consider these figures:
Which figure above, if any, is topologically equivalent to the given figure? Identify the topologically equivalent figure by letter.A light bulb
A. A B. B C. C D. None of these
Solve the problem.Suppose that the velocity of a falling body is v = 
(k a constant) at the instant the body has fallen s meters from its starting point. Find the body's acceleration as a function of s.
A. a = 
B. a = - 
C. a = - 
D. a = - 
Use the addition property of equality to solve the equation.a - 2 = 5
A. 3 B. -7 C. 7 D. -3
Solve the problem.Data regarding the amount spent by a government department is represented in the following graph. Find the change in amount spent for the years shown in the graph. Is the graph a straight line?
A. Change for each year: $0.18 billion; yes B. Change for each year: $0.72 billion; yes C. Change from 1998 to 1999: $0.72 billion, change from 1999 to 2000: $0.18 billion; no D. Change for each year: $0.38 billion; yes