Katie invested a total of $4000. part at 4% simple interest and part at 5% simple interest. at the end of 1 year the investments had earned $175 interest. how much was invested at each rate?

Which system of linear inequalities is graphed? can somebody please

Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.

  cassidy wants to cut the yellow fabric into strips that are 0.3 yards wide. how many strips of yellow fabric can cassidy make? yellow fabric 16 yards for $108.00.