Solve the problem.Suppose you build an architectural model of a new concert hall using a scale factor of 19. How will the surface area of the actual concert hall compare to the surface area of the scale model?
A. 6859 times as great
B. 38 times as great
C. 19 times as great
D. 361 times as great
Answer: D
Mathematics
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A. 49 B. 76 C. 67 D. 85
Mathematics
? is an acute angle and sin ? and cos ? are given. Use identities to find the indicated value.sin ? = 
, cos ? = 
. Find tan ?.
A. 
B. 
C. 
D. 
Mathematics
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.
[3 ln (x + 6) - ln x - ln(x2 - 4)]
A. ln 
B. ln 
C. ln 
D. ln 
Mathematics
Estimate the fraction as 0, 
, or 1.
A. 0
B. 1
C. 
Mathematics