A.\(15\)
B.\(30\)
C.\(40\)
D.\(60\)

A.\(5\)
B.\(2\sqrt 2 \)
C.\(4\sqrt 3 \)
D.\(\sqrt 3 \)

A.\(OM \le 3\)
B.\(3 \le OM \le 4\)
C.\(3 \le OM \le 5\)
D.\(OM \ge 5\)

A.\(\frac{9}{5}\)
B.\(\frac{9}{25}\)
C.\(\frac{18}{5}\)
D.\(\frac{18}{25}\)

A.\(\frac{4}{{18}}\)
B.\(\frac{4}{{5}}\)
C.\( - \frac{4}{5}\)
D.\( - \frac{4}{9}\)

A.\(N{F_1} + M{F_2} = \frac{9}{2}\)
B.\(N{F_2} - N{F_1} = \frac{7}{2}\)
C.\(N{F_1} + M{F_2} = 8\)
D.\(N{F_2} + M{F_1} = \frac{9}{2}\)

A.believed
B.contained
C.attracted
D.delayed

A.believed
B.contained
C.attracted
D.delayed

A.angry
B.abandon
C.danger
D.language

A.historic
B.marvelous
C.dedicate
D.similar