Math HELP!!!?

1.The fixed cost for the production will be $24,000.The variable cost will be $30 per pair of shoes.The shoes will sell for $110 for each pair.How many pairs of shoes will have to be sold for the company to break even on this new line of shoes?


2.A meteorologist in the Upper Peninsula of Michigan predicts an overnight low of ‐4ºFahrenheit.What would a Canadian meteorologist predict for the same location in Celsius?


3. 7x + 3y + 5z = -19


3x + y + 2z = 13 Let z be the parameter


4.Best Rentals charges a daily fee plus a mileage fee for renting its cars.Barney was charged $147 for 3 days and 300 miles, while Mary was charged $268 for 5 days and 600 miles.What does Best Rental charge per day and per mile?


5.John has been a teacher at West Side High School for the past 12 years.His salary during that time can be modeled by the linear equation y = 800x + 33,000 where x is the number


of years since he began teaching and y is his salary.What the slope, 800, represents.


Please Explain!!

Math HELP!!!?
1. 24000 + 30x = 110x


24000 = 80x


300 = x; so 300 pairs of shoes
Reply:omg this hurt my head alot. sorry i dont no the answer. i need asprin.



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