Find the circumference. Leave your answer in terms of pi.A circle with diameter 10 in.
A. 10? in.
B. 5? in.
C. 20? in.
D. 25? in.
Answer: A
Mathematics
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Graph the function.Graph the upper half of the circle defined by the equation x2 + y2 - 12x - 10y + 45 = 0.
A. 
B. 
C. 
D. 
Mathematics
Find the area of the specified region.Inside the outer loop and outside the inner loop of the limacon r = 8 cos ? - 4
A. 
(4? - 3
)
B. 16(? + 3
)
C. 8(4? + 3
)
D. 8(2? - 3
)
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 42 ? 45
A. 262,144 B. 16,777,216 C. 16,384 D. 1,048,576
Mathematics
Draw the angle in standard position.-150°
A. 
B. 
C. 
D. 
Mathematics