Which sets include only like terms? choose all answers that are correct.
a. {12c, -25c, 1.876c, 2/9c
b. {26def, -4def, 2.92def,12/19def}
c. {-1.24rs, 17rs, 9rs, 2 4/9 rs}
d. {-11xyz, -3.07xy, -42yz, -6/17xz }

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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