Anne and Nancy use a metal alloy that is 18.253% copper to make jewelry. How many ounces of a 15% alloy must be mixed with a 21% alloy to form ounces of the desired alloy?

Which statement best describes a square? a. a special rectangle that has four right angles b. a special trapezoid that has four sides of equal length c. a special rectangle that has four sides of equal length d. a special trapezoid that has four right angles

Sarah used her calculator to find sin 125 degrees. she wrote down sin sin125 degrees.57. how could sarah recognize that her answer is incorrect?

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3