Points C, D, and G lie on plane X. Points E and F lie on plane Y. Vertical plane X intersects horizontal plane Y. Point E is on the left half of plane Y. Point F is on the right half of plane Y. Points C and D are on the top half of plane X. Point G is on the bottom half of plane X. Points A and B are outside of the planes. Which statements are true? Select three options. There are exactly two planes that contain points A, B, and F. There is exactly one plane that contains points E, F, and B. The line that can be drawn through points C and G would lie in plane X. The line that can be drawn through points E and F would lie in plane Y. The only points that can lie on plane Y are points E and F.

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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answer-

the equation that models this pattern is

solution-

a researcher placed a petri dish with 32,000 bacterial cells. one hour after being placed in the vacuum chamber, the number of cells in the petri dish had halved. another hour later, the number of cells had again halved.

this can be represented as exponential decreasing function,

where,

putting the values,

y-intercept means, where x=0, so

the coordinate of this poin will be (0, 32000)

this means when x=0 or at the starting of the research, the number of bacteria cells was 32000.

after 3 hours, number of bacteria cells will be,

the   coordinate of this point will be (3, 4000)