A.\(\dfrac{{\sqrt 3 {a^3}}}{3}\)
B.\({a^3}\)
C.\(\sqrt 3 {a^3}\)
D.\(\dfrac{{{a^3}}}{3}\)

A.\(2\)
B.\(3\)
C.\(1\)
D.\(4\)

A.\(\left( {2; - 1; - 1} \right)\)
B.\(\left( {1; - 1;0} \right)\)
C.\(\left( {1;1; - 1} \right)\)
D.\(\left( {1; - 2;1} \right)\)

A.\(3\)
B.\(0\)
C.\(5\)
D.\(2\)

A.\(22\)
B.\(175\)
C.\(43\)
D.\(350\)

A.\(5\)
B.\(1\)
C.\(7\)
D.\(2\)

A.quarreled
B.respected
C.admired
D.regarded

A.excused
B.stressed
C.remained
D.understood

A.recall
B.perform
C.forget
D.record

A.The manager admitted not having been very open-minded.
B.The manager promised to be very open-minded.
C.The manager regretted having been very open-minded.
D.The manager refused to have been very open-minded.