Use reference angles to find the exact value of the expression. Do not use a calculator.sin 495°
A. 
B. - 
C. 
D. - 
Answer: C
Mathematics
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Express the expanded form as a Hindu-Arabic numeral.(7 × 103) + (0 × 102) + (0 × 101) + (9 × 1)
A. 79 B. 63 C. 7009 D. 709
Mathematics
Convert the measurement as indicated.10 cups to pints
A. 40 pt
B. 2
pt
C. 20 pt
D. 5 pt
Mathematics
Find the domain of the function.f(x) = 7x + 2
A. (-?, ?) B. (-2, ?) C. (0, ?) D. (-?, 0) ? (0, ?)
Mathematics
Referring to triangle ABC, find the area of the triangle.
?
?
Round to three significant digits.
?
A. 12.9 ft2 B. 13.1 ft2 C. 12.5 ft2 D. 12.3 ft2 E. 11.9 ft2
Mathematics