Simplify the exponential expression using the rules for exponents.
-2
A. 
B. 4c2
C. - 
D. 
Answer: A
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Solve the problem.A thermometer reading 
is placed inside a cold storage room with a constant temperature of 
If the thermometer reads 
in 7 minutes, how long before it reaches 
Round your answer to the nearest whole minute.
A. -5 min B. 21 min C. 9 min D. 5 min
Use the payoff matrix to determine the best strategy.A college is holding a rock and roll concert to be held in the stadium and has sold out all tickets. If it rains, the show will have to be moved to the gym which has a smaller seating capacity. The college must decide in advance whether to set up seats and the stage in the gym, or in the stadium, or both, just in case. The net profit in each case is given in the payoff matrix below:RainNo Rain
What strategy should the organizer choose if she is a pessimist?
A. Set up in the stadium B. Set up both C. Set up in the gym
Multiply.5x(-11x - 10)
A. -55x2 - 10x B. -105x2 C. -55x2 - 50x D. -11x2 - 50x
Let a, b, and c represent positive real numbers. Consider the parallelogram ABCD with vertices at A(0,0), B(a,0), C(a+b, c), and D(b,c). In order that ABCD further represents a rhombus, prove that 
.[Note: No drawing provided.]
What will be an ideal response?