On a certain date, the price of silver was $30 per ounce. The graph below shows how the total cost of the silver depends on the amount purchased. Each of the following sets of numbers represents dollars. Which set of numbers is most appropriate to label the six tick marks along the vertical axis (cost)?

Explain the answer and how to do it

Which expression gives the area of the triangle shown below

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