Jack is selling used computers. He is paid $15/ hour plus 5% commission on sales. What dollar amount of computer sales must jackmake to earn $1000 in a 40 hour work week?

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

Ineed i been stuck on this question since yesterday

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