Is ( - 2, 2) a solution to the system y - x = – 4 and - 3x – 2y = – 10? O No, because ( – 2,2) is a solution to neither equation.
Yes, because ( – 2,2) is a solution to one equation.
No, because ( – 2, 2) is a solution to only one equation.
O Yes, because ( – 2,2) is a solution to both equations.

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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c) yes, because of asa or aas