Provide an appropriate response. What is the reciprocal of -18?

A. The number -18 has no reciprocal.
B. 18
C.
D.


Answer: C

Mathematics

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Solve.Find the capacity (volume in cubic feet) of a rectangular chest with inside measurements of 7 feet by 2 feet by 1 feet.

A. 3 cu ft
B. 26 cu ft
C. 8 cu ft
D. 3 cu ft

Mathematics

Write the system in the form  Then solve the linear system by computing  with a calculator. Round numbers to the nearest tenth, as necessary.2.6x - 0.7y + 5.3z - 3.4w = 12.9  6.5y + 0.7w = -1.8  4.0z - 2.2w = 1.54.9x + 0.6w = 3.2

A. (2.2, 1.1, 7.2, 12.4) B. (-2.2, 1.1, -6.4, 23.3) C. (2.2, -1.1, -6.4, 7.6) D. (2.2, 1.1, -6.4, -12.4)

Mathematics

Solve the formula for the indicated variable.r =  for S

A. S = 4?r
B. S = 16?2r2
C. S = 
D. S = 4?r2

Mathematics

Match the given equation with one of the graphs.(y - 1)2 = -2(x + 2)

A.

B.

C.

D.

Mathematics