Use the given information to find the exact value of the trigonometric expression.tan ? = 
; ? < ? < 
Find sin(2?).
A. 
B. 
C. - 
D. - 
Answer: B
Mathematics
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Write the following as a rate in lowest terms.343 hours for 28 projects
A. 
B. 
C. 
D. 
Mathematics
Convert the units using unit fractions.5
ft = 
in.
A. 54
B. 
C. 
D. 64
Mathematics
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log7 
A. 
(log7 x2y - log7 49)
B. 
(log7 x2 + log7 y - 2)
C. 
log7 x - 
log7 y + 
D. 
log7 x + 
log7 y - 
Mathematics
Solve the problem. Express your answer in scientific notation, rounding as needed.A computer can do one calculation in 1.4 × 10-7 seconds. How long would it take the computer to do a trillion (1012) calculations?
A. 1.4 × 10-7 sec B. 1.4 × 106 sec C. 1.4 × 1012 sec D. 1.4 × 105 sec
Mathematics