Which expressions equal zero? A) -52 + 52

B) 12 +(-1

C) 6-(-6)

D) -27 +(-27)

E) -83 -(-83)

A and E

Step-by-step explanation:

because b is 13 c is 12 and d is -54

A,B,E

Step-by-step explanation:

I checked on the usa test prep and its what those three

answer: sine

step-by-step explanation:

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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