The sum of a number and its square is 42. Which equation can be used to find the two numbers for which this is true?

x2 + x = 42

x2 + 2x = 42

x2 + x + 42 = 0

x2 + 2x + 42=0

Nanci is volunteering at the animal shelter. She wants to spend an equal amount of time playing with each dog. She has 145 mins to play with all 7 dogs. About how much time can she spend with each dog?

A high school band held a bake sale. The number of cupcakes sold was four more than twice the number of cookies sold. The band sold a total of 52 cupcakes and cookies. How many cupcakes were sold?

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What does 7 minus the product of 2 and x in algebra?

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What is 54 divided by 4806

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Write the standard number 393,200 in scientific notation.