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 = 76.9 centimeters, ? = 
radians, A = ?
A. 1548.2 cm2
B. 246.4 cm2
C. 774.1 cm2
D. 10.1 cm2
Answer: C
Mathematics
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Find the sum or difference.(3 + 7x2 + 9x4 + 3x3) + (-7x3 - 9x2 + 6 + 3x4)
A. 6x18 + 9 B. 12x4 - 4x3 - 2x2 + 9 C. -4x4 - 4x3 + 15x2 + 6 D. 12x8 - 4x6 - 2x4 + 9
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The bacteria in a 12-liter container double every 2 minutes. After 48 minutes the container is full. How long did it take to fill a quarter of the container?
A. 12 min B. 36 min C. 24 min D. 44 min
Mathematics
Give a written response.Can you name a number whose absolute value is -46? Explain your answer.
What will be an ideal response?
Mathematics