A new Iphone 6 regularly costs $589 without a new contract. With a new contract, the price drops to $199. What is the percent of decrease in the price of the Iphone if you sign a new
contract? Round your answer to the nearest percent.

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

The length of a rectangle is x times the square root of 100. the width is one-half y more than three-halves x. given that the area of the rectangle is 125 cm2, which equation could represent the rectangle in terms of x and y? a) 5xy − 15x = 125 b) 5xy + 15x = 125 c) 15x2 − 5xy = 125 d) 15x2 + 5xy = 125