Solve the problem.Find the area of the shaded region. Express the answer in teems of ?. 

A. 3? square units
B. ? square units
C.  square units
D. ? square units


Answer: B

Mathematics

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Perform the indicated operation without the use of a calculator and express each answer in decimal notation.

A. 60,000 B. 0.06 C. 0.00001667 D. 0.0006

Mathematics

A pair of similar triangles is shown. Find the measure of the segment marked with the letter x.

A. x = 12 B. x = 7 C. x = 21 D. x = 28

Mathematics

Write a mathematical expression for the word phrase.7 more than twice 4.3

A. 2(7) + 4.3 B. (2 ÷ 4.3) + 7 C. 2(4.3) - 7 D. 2(4.3) + 7

Mathematics

Solve the problem.Erik Allen repairs photocopy machines. According to his schedule, he needs to visit 9 different offices today. How many ways can Erik visit these offices and return to his headquarters?

A. 72 B. 40,320 C. 9 D. 362,880

Mathematics