Pick the best choice by estimating. Do not measure. For metric measurements, do not attempt to convert to the U.S. system. The hardest part of the transition to the metric system is the transition to thinking in metrics.
?
The perimeter of a dollar bill is about __________.
?
A. 36 in.
B. 46 in.
C. 6 in.
D. 18 in.
E. 56 in.
Answer: D
Mathematics
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Simplify the radical expression. Assume that variables represent positive numbers.
A. 
B. 
C. 
D. 
Mathematics
Use identities to rewrite the following expression as sin ?, cos ?, tan ?, csc ?, sec ?, or cot ?.
A. sin ? B. tan ? C. csc ? D. cot ?
Mathematics
Determine which numbers in the set are solutions to the equation.6x = 42; {7, 8, 252}
A. 7 B. 8 C. 252 D. none of them
Mathematics
Solve. 11z – 2 = -101
A) –99 B) 9 C) –103 D) –9 E) –90
Mathematics