Evaluate the function requested. Write your answer as a fraction in lowest terms.
Find cos B.
A. cos B = 
B. cos B = 
C. cos B = 
D. cos B = 
Answer: C
Mathematics
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Use scientific notation to perform the following operations. Leave your answer in scientific notation.(20 × 10-2) ÷ (5 × 109)
A. 4.0 × 107 B. 8.0 × 10-11 C. 4.0 × 10-11 D. 8.0 × 107
Mathematics
Find the area.
A. 16 in.2 B. 32 in.2 C. 64 in.2 D. 12 in.2
Mathematics
Provide an appropriate response.The diameter of a circle inscribed in a square in the same as the length of one side of the square. Find the diameter of a circle inscribed in a square if the area of the square is 81 in2 (round to the nearest hundredth).
Fill in the blank(s) with the appropriate word(s).
Mathematics
Express y as a function of x. The constant C is a positive number.ln y = ln 4x + ln C
A. y = 4x + C B. y = (4x)C C. y = x + 4C D. y = 4Cx
Mathematics