Joni earned twice the amount of money babysitting on saturday as she did on wednesday. she earned $15 more on friday than wednesday. she earned $50 on sunday. her total earnings for all four days were $345. how much more did joni earn on wednesday than on sunday?

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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

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!