If A denotes the area of the sector of a circle of radius r formed by the central angle ?, find the missing quantity. If necessary, round the answer to two decimal places.r = 91.5 centimeters, ? = 
radians, A = ?
A. 1643.9 cm2
B. 523.3 cm2
C. 18 cm2
D. 3287.8 cm2
Answer: A
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Write the word statement as an equation. Use x to represent the unknown number. Do not solve.The difference of a number and 3 divided by 12 yields the product of the number and -9.
A. (x - 3) ÷ 12 = -9 + x B. (x - 3) ÷ 12 = -9x C. (x ÷ 12) - 3 = -9 + x D. 12 ÷ (x - 3) = -9x
Multiply. Leave the answer in factored form when appropriate.
? 
A. 
B. 
C. 
D. 