Solve for x: 7 over 8 minus 1 over x equals 3 over 4.

Multiply −2x(6x^4−7x^2+x−5) express the answer in standard form. enter your answer in the box.

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Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50. write an inequality to determine the number of chores, c, janie could do to have enough money to buy the cd.