To add 310+14+45, you must rewrite each fraction as an equivalent fraction with a denominator of 20. What are the equivalent fractions?

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a28=58

step-by-step explanation:

a1=a1+(n-1)d

a28= 4+ (28-1)2

a28=4+(27)(2)

a28=4+54

a28=58

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236 cm 16 time 12 = 192

6 times 7 = 42

192+42

i believe it is the square root of 122 because when you turn it on it's side, to where the 5 inches is on the bottom, it looks like it is the same length.