Simplify by writing the expression using only positive exponents.a9b-8
A. 
B. a9b8
C. 
D. 
Answer: C
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The problem tells how many units and in what direction the graph of the given equation is to be shifted. Give an equation for the shifted graph. Then sketch the original graph with a dashed line and the shifted graph with a solid line.y = 
Down 1, right 4
A. y - 1 = 
B. y - 1 = 
C. y + 1 = 
D. y + 1 = 
Decide whether the statement is believable, given the precision with which it is stated. A business projects next year's profits to be $5,950,000.
A. Not believable at that precision B. Believable
Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.If the speed of light is 3.00 × 108 m/sec, how long does it take light to travel 2.29 × 1011 m, the distance from the sun to Mars?
A. 7.6 × 102 min B. 7.6 × 103 sec C. 76 sec D. 7.6 × 102 sec
Find all n complex solutions of the following equation of the form 
x2 = -225
A. 
B. 
C. 
D. 