The amount of shore at a local beach changes an average of -3/4 foot each year. What is the change in the amount of shore after 7 years?

(hurry! ) which expression is equivalent to the following complex fraction?

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

  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.