Use half-angle identities to find the exact value of the expression.sin (-112.5°)
A. - 
B. 
C. 
D. - 
Answer: D
Mathematics
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Use the table to calculate the tax owed. Round to the nearest cent.
a married woman filing separately with a taxable income of $101,000
A. $33,330.00 B. $7744.75 C. $18,881.75 D. $21,772.75
Mathematics
Use the properties of logarithms to find the exact value of the expression. Do not use a calculator.log4 24 - log4 6
A. 24 B. 1 C. 6 D. 4
Mathematics
Assume that the cities lie on the same north-south line and that the radius of the earth is 6400 km. Find the distance between City A, 34° N and City B, 37° N. (Round to the nearest kilometer.)
A. 406 km B. 372 km C. 335 km D. 301 km
Mathematics
Use a rational exponent to write the expression.
A. -111/3
B. 
C. 31/11
D. 111/3
Mathematics