Simplify sin(-x)/tanX-cos(-x)

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Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

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.

What’s 8y+48 and factor each expression completely