What percent of an object earth weight is it weight on mars and on the moon

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.

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?