An alloy of metals is 50% iron. Another alloy is 40% iron. How much of each should be mixed to make 600 grams of an alloy that is 43% iron?

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.

Which polygon is she in the process of constructing ?

What are two numbers that have a sum of 15