Find the y-intercept, The equation of the x of symmetry and the x-coordinate of the vertex for 12.

0, x=0, (0,0)

Step-by-step explanation:

f(x) =4x²

y-intercept is at (0,0) because there is no term with no variable

axis of symetry is x=0, because is the y-axis

x-coordinate of the vertex is 0 because the vertex is at (0,0)

i dont know i just need points

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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