A.54 km/giờ.
B.48 km/giờ.
C.49 km/giờ.
D.56 km/giờ.

A.36,5 km/giờ.
B.40 km/giờ.
C.38 km/giờ.
D.37,5 km/giờ.

A.29 km/giờ.
B.24 km/giờ.
C.28 km/giờ.
D.26 km/giờ.

A.\(\left\{ {\left( { - 3;7} \right);\left( { - 1;3} \right);\left( {0; - 1} \right);\left( {0;1} \right);\left( {7;27} \right)} \right\}\)
B.\(\left\{ {\left( { - 3;7} \right);\left( {0; - 1} \right);\left( {0;1} \right);\left( {1;3} \right);\left( {7;27} \right)} \right\}\)
C.\(\left\{ {\left( { - 1;3} \right);\left( {0; - 1} \right);\left( {0;1} \right);\left( {1;3} \right);\left( {7;27} \right)} \right\}\)
D.\(\left\{ {\left( { - 3;7} \right);\left( { - 1;3} \right);\left( {0; - 1} \right);\left( {0;1} \right);\left( {1;3} \right);\left( {7;27} \right)} \right\}\)

A.\(S = \left\{ {-2;\frac{8}{7}} \right\}\)
B.\(S = \left\{ {0;\frac{8}{7}} \right\}\)
C.\(S = \left\{ {0;\frac{7}{8}} \right\}\)
D.\(S = \left\{ {0;-\frac{8}{7}} \right\}\)

A.A tax on robots might have a negative impact on competitiveness and innovation.
B.Considering a tax on robots may help government to prevent a social crisis.
C.A tax on robots can be used to retrain displaced workers.
D.A tax on robots that replace human labour is a way to slow down the spread of automation.

A.they get more opportunities
B.investment in robots increases
C.there is a drop in prices
D.the productivity improves

A.leader
B.decision-making
C.access
D.level

A.leader
B.decision-making
C.access
D.level

A.their
B.Every family
C.and
D.does