Find the exact value of the trigonometric expression without the use of a calculator.If cos ? = - 
, 
< ? < ? and sin ? = - 
, ? < ? < 
, find the exact value of cos (? + ?).
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the amount of any refund or tax due. The letter following the name indicates marital status. Assume a 52-week year and that married people are filing jointly. Use $3700 for each personal exemption; a standard deduction of $5800 for single people, $11,600 for married people, and $8500 for head of household; and the tax rate schedule. 
A. $2627.70 due B. $2627.70 refund C. $694.85 refund D. $694.85 due
Mathematics
Factor completely.x2 - 6x + 36
A. (x - 6)2 B. Prime C. (x + 6)2 D. (x + 6)(x - 6)
Mathematics
Add.42262
A. 1454 B. 1224 C. 1324 D. 1882
Mathematics
Write the ratio in lowest terms.5 feet to 2
feet
A. 
B. 
C. 
D. 
Mathematics