Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. -14
B. -5
C. 0
D. 1
Answer: D
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Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.Before taking a typing course, Ian could type 29 words per minute. By the end of the course, he was able to type 67 words per minute. Find the percent increase.
A. 69.8% B. 56.7% C. 131% D. 43.3%
Find the missing quantities. Round money to the nearest cent and rates to the nearest tenth of a percent.Cost price: $283.37Markup: $252.49Selling price:
% Markup on selling price: 
A. $535.86, 817.6% B. $535.86, 47.1% C. $30.88, 47.1% D. $30.88, 817.6%
Solve the equation and check your solution.
+ 
= 
A. x = 8, x = 1 B. x = 1 C. x = -8, x = -1 D. x = -8, x = 1
Find the distance between the pair of points. Where appropriate, give an approximation to three decimal places.(44, -46) and (8, 37)
A. 2623
B. 
? 52.773
C. 
? 90.471
D. 2785