Julie the jeweler has twenty-one gold necklaces worth $115, eleven silver necklaces valued at $80, thirty plated necklaces valued at $40, and twenty-six beaded necklaces worth $5. what is the average value of a necklace at julie's shop? express your answer rounded to the nearest cent.

Is trapezoid abdc the result of a dilation of trapezoid mnpq by a scale factor of ? why or why not? yes, because ab and cd are each the lengths mn and qp. yes, because sides ab and cd are parallel to sides mn and qp. no, because ab is the length mn but cd is the length qp. no, because sides ab and cd have different slopes from sides mn and qp.

Janet drove 300 miles in 4.5 hours. write an equation to find the rate at which she was traveling

What is the expression in factored form? -x^2 + 3x + 28 a. (x-7)(x-4) b. -(x-7)(x+4) c. (x+4)(x+7) d. -(x-4)(x+7)