Complete the real-world situation that could be modeled by the equation 140 − 4x = 160 − 8x. Xavier has $140 in his lunch account. He spends $for lunch each day. Zack has $in his lunch account. He spends $ each day. After how many days will the boys have the same amount of money in their accounts?

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Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long. at what angle is the sun above the horizon at that time?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.