Anna pictured a rectangle in her head. If she increases each of the rectangle is dimensions by 43 units, the area of the rectangle increases by 2021 square units Compute the perimeter of the original rectangle Anna pictured​

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons

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: 8d

step-by-step explanation:

45+5= 50+5=55+5=60