Pick the best choice by estimating. Do not measure. For metric measurements, do not attempt to convert to the U.S. system.
The area of a classroom is __________.
?
A. 0.5 acre
B. 1,000 ft2
C. 0.15 acre
D. 100 ft2
E. 0.55 acre
Answer: B
Mathematics
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Provide an appropriate response.A coffee shop earns $8.75 for every pound of coffee it sells.(a)Write the profit as a function of the number of pounds of coffee sold.(b)What kind of function is this?(c)What is its degree?(d)What is its leading coefficient?
What will be an ideal response?
Mathematics
Evaluate the expression.3.2 - (-8.9) - (-10.7)
A. 5.0 B. -16.4 C. -22.8 D. 22.8
Mathematics
Rewrite the trigonometric expression as an algebraic expression involving the variable u. Assume that 
and that the value of the "inner" inverse trigonometric expression represents an angle ? such that 
cos (cot-1 u)
A. 
B. 
C. 
D. 
Mathematics
Simplify the complex rational expression.
A. 6x + 4y
B. 
C. 
D. 4x + 6y
Mathematics