Find the derivative of the function.r = (sec ? + tan ?)-2
A. -2(sec ? tan ? + sec2?)-3
B. 
C. -2(sec ? + tan ?)-3
D. -2(sec ? + tan ?)-3(tan2 ? + sec ? tan ?)
Answer: B
Mathematics
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What are the dimensions of a rectangle whose area is 
square feet?
?
A. 
ft by 
ft
B. 1 ft by 24 ft
C. 
ft by 
ft
D. 
ft by 
ft
E. 6 ft by 4 ft
Mathematics
Solve the problem.John owns a hotdog stand. He has found that his profit is represented by the equation 
with P being profits and x the number of hotdogs. How many hotdogs must he sell to earn the most profit?
A. 39 hotdogs B. 20 hotdogs C. 41 hotdogs D. 38 hotdogs
Mathematics
Graph the fraction on a number line.
A. 
B. 
C. 
D. 
Mathematics
Convert as indicated.0.7 m to millimeters
A. 7000 mm B. 700 mm C. 70 mm D. 0.0007 mm
Mathematics