Set up the percent proportion for the application problem. Do not try to solve for any unknowns.Sales tax of $27 is charged on an item that costs $2100. What percent sales tax is charged?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: A
Mathematics
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Solve the problem.At the end of last year, Widgets Unlimited, Inc. posted a net income of -$203.9 billion. If this continues, what would its income be after three years?
A. -$206.9 billion B. -$6117 billion C. -$611.7 billion D. $611.7 billion
Mathematics
Solve the problem.
+ 
+ 
+ . . . + 
A. $655.23 B. $623.97 C. $671.92 D. $617.57 E. $611.01
Mathematics
Factor using the trial and error method.9x2 + 24x + 16
A. (9x - 4)(x - 4) B. (3x + 4)(3x + 4) C. (3x - 4)(3x - 4) D. (9x + 4)(x + 4)
Mathematics
Find the exact value of the following expression without using a calculator.tan 45°
A. 
B. 
C. 
D. 1
Mathematics