Solve. Use ? = 3.14 and round your answer to the nearest hundredth.A manhole cover has a diameter of 24 in. What is the length of the brass grip-strip that encircles the rim of the cover making it easier to manage?
A. 37.68 in.
B. 452.16 in.
C. 75.36 in.
D. 150.72 in.
Answer: C
Mathematics
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Find the absolute maximum value of 
on the interval {?9, 9].
What will be an ideal response?
Mathematics
Factor completely. If the polynomial is prime, then state this as your answer.3x3 + 3x2 - 18x
A. 3x(x - 2)(x + 3) B. (x - 2)(3x2 + 9) C. 3x(x + 2)(x - 3) D. (3x2 + 6x)(x - 3)
Mathematics
Write the complex conjugate of z in polar form with argument ? between 0 and 2?.  figure 1.png)
What will be an ideal response?
Mathematics
Solve the problem.The amount E of voltage in an electrical circuit is given by the formula 
Write an equivalent equation by factoring the expression 
A. E = 2I(R1 + R2) B. E = R1(I + IR2) C. E = R2(IR1 + I) D. E = I(R1 + R2)
Mathematics