exam Maths Puzzle Numerical Ability

Would you help me, please,

5. (3 pts) Write the converse, inverse, and contrapositive of the following conditional statement
If a dog is barking, then it will not bite

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exam Other Question

HELP
1.
Substitution Method:
7x + 3y = -9
-6y + y =22
Find the solution?

2.
Solve and Graph
2x -14 _< -7 or x -4 _> 1
Solution is {x/x _< ? or x _> ?}
please explain to us what mean the word [cinqueens] thanks