Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this.9(x - 1) = 27

A. 2.386
B. 2.500
C. 1.667
D. 4.000


Answer: B

Mathematics

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Solve the problem.The table shows the prizes and probabilities of winning (on a single $1 ticket) for a particular state lottery. Find the expected value of the winnings for a single lottery ticket. 

A. -$0.79 B. -$0.75 C. $0.21 D. -$0.84

Mathematics

Calculate the arc length S and area A for each of the following sectors. Round to the nearest whole number if necessary.a = 3 rad, r = 30 cm

A. S = 60 cm, A = 1350 cm2 B. S = 90 cm, A = 1350 cm2 C. S = 60 cm, A = 1300 cm2 D. S = 90 cm, A = 1360 cm2

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Find the domain of the function.

A. {x|x ? 2} B. {x|x > 2} C. all real numbers D. {x|x ? 2}

Mathematics

Write the system of equations associated with the augmented matrix. Do not solve.

A.
B.
C.

Mathematics