Find the area of the circle. Use 3.14 or 
for ? as indicated.Use 3.14 for ?.
A. 81.6714 cm2
B. 20.41785 cm2
C. 16.014 cm2
D. 32.028 cm2
Answer: B
You might also like to view...
Solve the problem.Suppose that R ={(x, y): 0 ? x ? 2, 0 ? y ? 5},R1 = {(x, y): 0 ? x ? 2, 0 ? y ? 4}, andR2 = {(x, y): 0 ? x ? 2, 4 ? y ? 5}. Suppose, in addition, that
dA = 5, 
dA = 5, and 
dA = 2.Use the properties of integrals to evaluate 
dA.
A. 16 B. 70 C. 30 D. 11
Express as a sum of logarithms.logx 4yz
A. logx (4 + y + z) B. (logx 4)(logx y)(logx z) C. logx 4 + logx y + logx z D. log4 y + log4 z
Solve.When the temperature stays the same, the volume of a gas is inversely proportional to the pressure of the gas. If a balloon is filled with 81 cubic inches of a gas at a pressure of 14 pounds per square inch, find the new pressure of the gas if the volume is decreased to 27 cubic inches.
A. 42 pounds per square inch
B. 
pounds per square inch
C. 39 pounds per square inch
D. 28 pounds per square inch
Provide an appropriate response.Use a graphing calculator to solve the equation 7x - 12 = x + 30.
A. 30 B. 0 C. -7 D. 7